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+%%% ====================================================================
+%%% @BibTeX-style-file{
+%%% filename = "ijmart.bst",
+%%% copyright = "Copyright 1995 American Mathematical Society,
+%%% 2005 The Hebrew University Magnes Press (changes)
+%%% all rights reserved. Copying of this file is
+%%% authorized only if either:
+%%% (1) you make absolutely no changes to your copy,
+%%% including name; OR
+%%% (2) if you do make changes, you first rename it
+%%% to some other name.",
+%%% abstract = "BibTeX bibliography style `ijmart' for BibTeX
+%%% versions 0.99a or later and LaTeX version 2e.
+%%% Produces numeric-label bibliography items in
+%%% a form typical for the Israel journal of
+%%% Mathematics. The style is based on amsplain.bst
+%%%
+%%% }
+%%% ====================================================================
+
+% See the file btxbst.doc for extra documentation other than
+% what is included here. And see btxhak.tex for a description
+% of the BibTeX language and how to use it.
+
+% This defines the types of fields that can occur in a database entry
+% for this particular bibliography style. Except for `language',
+% this is the standard list from plain.bst.
+
+%% Types of entries currently allowed in a BibTeX file:
+%%
+%% ARTICLE -- An article from a journal or magazine.
+%%
+%% BOOK -- A book with an explicit publisher.
+%%
+%% BOOKLET -- A work that is printed and bound,
+%% but without a named publisher or sponsoring institution.
+%%
+%% CONFERENCE -- The same as INPROCEEDINGS,
+%% included for Scribe compatibility.
+%%
+%% INBOOK -- A part of a book,
+%% which may be a chapter (or section or whatever) and/or a range of pages.
+%%
+%% INCOLLECTION -- A part of a book having its own title.
+%%
+%% INPROCEEDINGS -- An article in a conference proceedings.
+%%
+%% MANUAL -- Technical documentation.
+%%
+%% MASTERSTHESIS -- A Master's thesis.
+%%
+%% MISC -- Use this type when nothing else fits.
+%%
+%% PHDTHESIS -- A PhD thesis.
+%%
+%% PROCEEDINGS -- The proceedings of a conference.
+%%
+%% TECHREPORT -- A report published by a school or other institution,
+%% usually numbered within a series.
+%%
+%% UNPUBLISHED -- A document having an author and title, but not formally
+%% published.
+
+ENTRY
+ { address
+ author
+ booktitle
+ chapter
+ edition
+ editor
+ howpublished
+ institution
+ journal
+ fjournal
+ key
+ language
+ month
+ mrnumber
+ note
+ number
+ organization
+ pages
+ publisher
+ school
+ series
+ title
+ type
+ volume
+ year
+ }
+{}
+ { label }
+
+
+% Removed after.sentence, after.block---not needed.
+
+INTEGERS { output.state before.all mid.sentence }
+
+FUNCTION {init.state.consts}
+{ #0 'before.all :=
+ #1 'mid.sentence :=
+}
+
+% Scratch variables:
+
+STRINGS { s t }
+
+% Utility functions
+
+FUNCTION {shows}
+{ duplicate$ ":::: `" swap$ * "'" * top$
+}
+
+FUNCTION {showstack}
+{"STACK====================================================================="
+top$
+stack$
+"ENDSTACK=================================================================="
+top$
+}
+
+FUNCTION {not}
+{ { #0 }
+ { #1 }
+ if$
+}
+
+FUNCTION {and}
+{ 'skip$
+ { pop$ #0 }
+ if$
+}
+
+FUNCTION {or}
+{ { pop$ #1 }
+ 'skip$
+ if$
+}
+
+FUNCTION {field.or.null}
+{ duplicate$ empty$
+ { pop$ "" }
+ 'skip$
+ if$
+}
+
+FUNCTION {emphasize}
+{ duplicate$ empty$
+ { pop$ "" }
+ { "\textsl{" swap$ * "}" * }
+ if$
+}
+
+% n.dashify is used to make sure page ranges get the TeX code
+% (two hyphens) for en-dashes.
+
+FUNCTION {n.dashify}
+{ 't :=
+ ""
+ { t empty$ not }
+ { t #1 #1 substring$ "-" =
+ { t #1 #2 substring$ "--" = not
+ { "--" *
+ t #2 global.max$ substring$ 't :=
+ }
+ { { t #1 #1 substring$ "-" = }
+ { "-" *
+ t #2 global.max$ substring$ 't :=
+ }
+ while$
+ }
+ if$
+ }
+ { t #1 #1 substring$ *
+ t #2 global.max$ substring$ 't :=
+ }
+ if$
+ }
+ while$
+}
+
+% tie.or.space.connect connects two items with a ~ if the
+% second item is less than 3 letters long, otherwise it just puts an
+% ordinary space.
+
+FUNCTION {tie.or.space.connect}
+{ duplicate$ text.length$ #3 <
+ { "~" }
+ { " " }
+ if$
+ swap$ * *
+}
+
+FUNCTION {add.space.if.necessary}
+{ duplicate$ "" =
+ 'skip$
+ { " " * }
+ if$
+}
+
+% either.or.check gives a warning if two mutually exclusive fields
+% were used in the database.
+
+FUNCTION {either.or.check}
+{ empty$
+ 'pop$
+ { "can't use both " swap$ * " fields in " * cite$ * warning$ }
+ if$
+}
+
+% output.nonnull is called by output.
+
+FUNCTION {output.nonnull}
+% remove the top item from the stack because it's in the way.
+{ 's :=
+ output.state mid.sentence =
+% If we're in mid-sentence, add a comma to the new top item and write it
+ { ", " * write$ }
+% Otherwise, if we're at the beginning of a bibitem,
+ { output.state before.all =
+% just write out the top item from the stack;
+ 'write$
+% and the last alternative is that we're at the end of the current
+% bibitem, so we add a period to the top stack item and write it out.
+ { add.period$ " " * write$ }
+ if$
+ mid.sentence 'output.state :=
+ }
+ if$
+% Put the top item back on the stack that we removed earlier.
+ s
+}
+
+% Output checks to see if the stack top is empty; if not, it
+% calls output.nonnull to write it out.
+
+FUNCTION {output}
+{ duplicate$ empty$
+ 'pop$
+ 'output.nonnull
+ if$
+}
+
+% Standard warning message for a missing or empty field. For the user
+% we call any such field `missing' without respect to the distinction
+% made by BibTeX between missing and empty.
+
+FUNCTION {missing.warning}
+{ "missing " swap$ * " in " * cite$ * warning$ }
+
+% Output.check is like output except that it gives a warning on-screen
+% if the given field in the database entry is empty. t is the field
+% name.
+
+FUNCTION {output.check}
+{ 't :=
+ duplicate$ empty$
+ { pop$ t missing.warning }
+ 'output.nonnull
+ if$
+}
+
+FUNCTION {output.bibitem}
+{ newline$
+ "\bibitem{" write$
+ cite$ write$
+ "}" write$
+ newline$
+% This empty string is the first thing that will be written
+% the next time write$ is called. Done this way because each
+% item is saved on the stack until we find out what punctuation
+% should be added after it. Therefore we need an empty first item.
+ ""
+ before.all 'output.state :=
+}
+
+FUNCTION {output.nonempty.mrnumber}
+{ duplicate$ missing$
+ { pop$ "" }
+ 'skip$
+ if$
+ duplicate$ empty$
+ 'pop$
+ { " \MR{" swap$ * "}" * write$ }
+ if$
+}
+
+FUNCTION {fin.entry}
+{ add.period$
+ write$
+ mrnumber output.nonempty.mrnumber
+ newline$
+}
+
+% Removed new.block, new.block.checka, new.block.checkb, new.sentence,
+% new.sentence.checka, and new.sentence.checkb functions here, since they
+% don't seem to be needed in the AMS style. Also moved some real
+% basic functions like `and' and 'or' earlier in the file.
+
+INTEGERS { nameptr namesleft numnames }
+
+% The extra section to write out a language field was added
+% for AMSPLAIN.BST. Not present in plain.bst.
+
+FUNCTION {format.language}
+{ language empty$
+ { "" }
+ { " (" language * ")" * }
+ if$
+}
+
+% This version of format.names puts names in the format
+%
+% First von Last, Jr.
+%
+% (i.e., first name first, no abbreviating to initials).
+%
+% Changed by BV, 2008/01/20: no comma before "and"
+
+
+FUNCTION {format.names}
+{ 's :=
+ #1 'nameptr :=
+ s num.names$ 'numnames :=
+ numnames 'namesleft :=
+ { namesleft #0 > }
+ { s nameptr "{ff~}{vv~}{ll}{, jj}" format.name$ 't :=
+ nameptr #1 >
+ { namesleft #1 >
+ { ", " * t * }
+ { numnames #3 >
+ { "," * }
+ 'skip$
+ if$
+ t "others" =
+ { " et~al." * }
+ { " and " * t * }
+ if$
+ }
+ if$
+ }
+ 't
+ if$
+ nameptr #1 + 'nameptr :=
+ namesleft #1 - 'namesleft :=
+ }
+ while$
+}
+
+FUNCTION {format.authors}
+{ author empty$
+ { "" }
+ { author format.names }
+ if$
+}
+
+FUNCTION {format.editors}
+{ editor empty$
+ { "" }
+ { editor format.names
+ editor num.names$ #1 >
+ { " (eds.)" * }
+ { " (ed.)" * }
+ if$
+ }
+ if$
+}
+
+FUNCTION {format.nonauthor.editors}
+{ editor empty$
+ { "" }
+ { editor format.names
+ editor num.names$ #1 >
+ { ", eds." * }
+ { ", ed." * }
+ if$
+ }
+ if$
+}
+
+FUNCTION {format.title}
+{ title empty$
+ { "" }
+ { title "t" change.case$ emphasize }
+ if$
+}
+
+FUNCTION {format.journal.vol.year}
+{ fjournal empty$
+ { journal empty$
+ { "journal name" missing.warning ""}
+ { journal }
+ if$ }
+ { fjournal }
+ if$
+ volume empty$
+ 'skip$
+ { " \textbf{" * volume * "}" * }
+ if$
+ year empty$
+ { "year" missing.warning }
+ { " (" * year * ")" * }
+ if$
+}
+
+% For formatting the issue number for a journal article.
+
+FUNCTION {format.number}
+{ number empty$
+ { "" }
+ { "no.~" number * }
+ if$
+}
+
+% For formatting miscellaneous dates
+
+FUNCTION {format.date}
+{ year empty$
+ { month empty$
+ { "" }
+ { "there's a month but no year in " cite$ * warning$
+ month
+ }
+ if$
+ }
+ { month empty$
+ 'year
+ { month " " * year * }
+ if$
+ }
+ if$
+}
+
+%% The volume, series and number information is sort of tricky.
+%% This code handles it as follows:
+%% If the series is present, and the volume, but not the number,
+%% then we do "\emph{Book title}, Series Name, vol. 000"
+%% If the series is present, and the number, but not the volume,
+%% then we do "\emph{Book title}, Series Name, no. 000"
+%% If the series is present, and both number and volume,
+%% then we do "\emph{Book title}, vol. XX, Series Name, no. 000"
+%% Finally, if the series is absent,
+%% then we do "\emph{Book title}, vol. XX"
+%% or "\emph{Book title}, no. 000"
+%% and if both volume and number are present, give a warning message.
+
+FUNCTION {format.bookvolume.series.number}
+{ volume empty$
+ { "" % Push the empty string as a placeholder in case everything else
+ % is empty too.
+ series empty$
+ 'skip$
+ { pop$ series } % if series is not empty put in stack
+ if$
+ number empty$
+ 'skip$
+ { duplicate$ empty$ % if no preceding material,
+ 'skip$ % do nothing, otherwise
+ { ", " * } % add a comma and space to separate.
+ if$
+ "no." number tie.or.space.connect * % add the number information
+ }
+ if$
+ }
+%% If the volume is NOT EMPTY:
+ { "vol." volume tie.or.space.connect % vol. XX
+ number empty$
+ { series empty$
+ 'skip$
+ { series ", " * swap$ *} % Series Name, vol. XX
+ if$
+ }
+ { series empty$
+ { "can't use both volume and number if series info is missing"
+ warning$
+ "in BibTeX entry type `" type$ * "'" * top$
+ }
+ { ", " * series * ", no." * number tie.or.space.connect }
+ if$
+ }
+ if$
+ }
+ if$
+
+} % end of format.bookvolume.series.number
+
+%% format.inproc.title.where.editors is used by inproceedings entry types
+
+%% No case changing or emphasizing for the title. We want initial
+%% caps, roman.
+%% We add parentheses around the address (place where conference
+%% was held).
+%% Likewise we add parentheses around the editors' names.
+
+FUNCTION {format.inproc.title.address.editors}
+{ booktitle empty$
+ { "" }
+ { booktitle
+ address empty$
+ 'skip$
+ { add.space.if.necessary "(" * address * ")" * }
+ if$
+ editor empty$
+ 'skip$
+ { add.space.if.necessary "(" * format.nonauthor.editors * ")" * }
+ if$
+ }
+ if$
+}
+
+%% format.incoll.title.editors is similar to format.inproc... but
+%% omits the address. For collections that are not proceedings volumes.
+
+FUNCTION {format.incoll.title.editors}
+{ booktitle empty$
+ { "" }
+ { editor empty$
+ { booktitle }
+ { booktitle
+ add.space.if.necessary "(" * format.nonauthor.editors * ")" *
+ }
+ if$
+ }
+ if$
+}
+
+FUNCTION {format.edition}
+{ edition empty$
+ { "" }
+ { output.state mid.sentence =
+ { edition "l" change.case$ " ed." * }
+ { edition "t" change.case$ " ed." * }
+ if$
+ }
+ if$
+}
+
+INTEGERS { multiresult }
+
+FUNCTION {multi.page.check}
+{ 't :=
+ #0 'multiresult :=
+ { multiresult not
+ t empty$ not
+ and
+ }
+ { t #1 #1 substring$
+ duplicate$ "-" =
+ swap$ duplicate$ "," =
+ swap$ "+" =
+ or or
+ { #1 'multiresult := }
+ { t #2 global.max$ substring$ 't := }
+ if$
+ }
+ while$
+ multiresult
+}
+
+FUNCTION {format.pages}
+{ pages empty$
+ { "" }
+ { pages n.dashify }
+ if$
+}
+
+FUNCTION {format.book.pages}
+{ pages empty$
+ { "" }
+ { pages multi.page.check
+ { "pp.~" pages n.dashify * }
+ { "p.~" pages * }
+ if$
+ }
+ if$
+}
+
+FUNCTION {format.chapter.pages}
+{ chapter empty$
+ 'format.book.pages
+ { type empty$
+ { "ch.~" }
+ { type "l" change.case$ " " * }
+ if$
+ chapter *
+ pages empty$
+ 'skip$
+ { ", " * format.book.pages * }
+ if$
+ }
+ if$
+}
+
+FUNCTION {empty.misc.check}
+{ author empty$ title empty$ howpublished empty$
+ month empty$ year empty$ note empty$
+ and and and and and
+ key empty$ not and
+ { "all relevant fields are empty in " cite$ * warning$ }
+ 'skip$
+ if$
+}
+
+FUNCTION {format.thesis.type}
+{ type empty$
+ 'skip$
+ { pop$
+ type "t" change.case$
+ }
+ if$
+}
+
+FUNCTION {format.tr.number}
+{ type empty$
+ { "Tech. Report" }
+ 'type
+ if$
+ number empty$
+ { "t" change.case$ }
+ { number tie.or.space.connect }
+ if$
+}
+
+% The format.crossref functions haven't been paid much attention
+% at the present time (June 1990) and could probably use some
+% work. MJD
+
+FUNCTION {format.article.crossref}
+{ key empty$
+ { journal empty$
+ { "need key or journal for " cite$ * " to crossref " * crossref *
+ warning$
+ ""
+ }
+ { "in " journal * }
+ if$
+ }
+ { "in " key * }
+ if$
+ " \cite{" * crossref * "}" *
+}
+
+FUNCTION {format.crossref.editor}
+{ editor #1 "{vv~}{ll}" format.name$
+ editor num.names$ duplicate$
+ #2 >
+ { pop$ " et~al." * }
+ { #2 <
+ 'skip$
+ { editor #2 "{ff }{vv }{ll}{ jj}" format.name$ "others" =
+ { " et~al." * }
+ { " and " * editor #2 "{vv~}{ll}" format.name$ * }
+ if$
+ }
+ if$
+ }
+ if$
+}
+
+FUNCTION {format.book.crossref}
+{ volume empty$
+ { "empty volume in " cite$ * "'s crossref of " * crossref * warning$
+ "in "
+ }
+ { "vol." volume tie.or.space.connect
+ " of " *
+ }
+ if$
+ editor empty$
+ editor field.or.null author field.or.null =
+ or
+ { key empty$
+ { series empty$
+ { "need editor, key, or series for " cite$ * " to crossref " *
+ crossref * warning$
+ "" *
+ }
+ { series * }
+ if$
+ }
+ { key * }
+ if$
+ }
+ { format.crossref.editor * }
+ if$
+ " \cite{" * crossref * "}" *
+}
+
+FUNCTION {format.incoll.inproc.crossref}
+{ editor empty$
+ editor field.or.null author field.or.null =
+ or
+ { key empty$
+ { booktitle empty$
+ { "need editor, key, or booktitle for " cite$ * " to crossref " *
+ crossref * warning$
+ ""
+ }
+ { "in \emph{" booktitle * "}" * }
+ if$
+ }
+ { "in " key * }
+ if$
+ }
+ { "in " format.crossref.editor * }
+ if$
+ " \cite{" * crossref * "}" *
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% The main functions for each entry type.
+
+% journal, vol and year are formatted together because they are
+% not separated by commas.
+
+FUNCTION {article}
+{ output.bibitem
+ format.authors "author" output.check
+ format.title "title" output.check
+ crossref missing$
+ { format.journal.vol.year output
+ format.number output
+ format.pages "pages" output.check
+ }
+ { format.article.crossref output.nonnull
+ format.pages "pages" output.check
+ }
+ if$
+ format.language *
+ note output
+ fin.entry
+}
+
+FUNCTION {book}
+{ output.bibitem
+ author empty$
+ { format.editors "author and editor" output.check }
+ { format.authors output.nonnull
+ crossref missing$
+ { "author and editor" editor either.or.check }
+ 'skip$
+ if$
+ }
+ if$
+ format.title "title" output.check
+ format.edition output
+ crossref missing$
+ { format.bookvolume.series.number output
+ publisher "publisher" output.check
+ address output
+ }
+ { format.book.crossref output.nonnull
+ }
+ if$
+ format.date "year" output.check
+ format.language *
+ note output
+ fin.entry
+}
+
+FUNCTION {booklet}
+{ output.bibitem
+ format.authors output
+ format.title "title" output.check
+ howpublished output
+ address output
+ format.date output
+ note output
+ fin.entry
+}
+
+FUNCTION {inbook}
+{ output.bibitem
+ author empty$
+ { format.editors "author and editor" output.check }
+ { format.authors output.nonnull
+ crossref missing$
+ { "author and editor" editor either.or.check }
+ 'skip$
+ if$
+ }
+ if$
+ format.title "title" output.check
+ format.edition output
+ crossref missing$
+ { format.bookvolume.series.number output
+ format.chapter.pages "chapter and pages" output.check
+ publisher "publisher" output.check
+ address output
+ }
+ { format.chapter.pages "chapter and pages" output.check
+ format.book.crossref output.nonnull
+ }
+ if$
+ format.date "year" output.check
+ format.language *
+ note output
+ fin.entry
+}
+
+FUNCTION {incollection}
+{ output.bibitem
+ format.authors "author" output.check
+ format.title "title" output.check
+ crossref missing$
+ { format.incoll.title.editors "booktitle" output.check
+ format.bookvolume.series.number output
+ publisher "publisher" output.check
+ address output
+ format.edition output
+ format.date "year" output.check
+ }
+ { format.incoll.inproc.crossref output.nonnull
+ }
+ if$
+ note output
+ format.book.pages output
+ format.language *
+ fin.entry
+}
+
+FUNCTION {inproceedings}
+{ output.bibitem
+ format.authors "author" output.check
+ format.title "title" output.check
+ crossref missing$
+ { format.inproc.title.address.editors "booktitle" output.check
+ format.bookvolume.series.number output
+ organization output
+ publisher output
+ format.date "year" output.check
+ }
+ { format.incoll.inproc.crossref output.nonnull
+ }
+ if$
+ note output
+ format.book.pages output
+ format.language *
+ fin.entry
+}
+
+FUNCTION {conference} { inproceedings }
+
+FUNCTION {manual}
+{ output.bibitem
+ author empty$
+ { organization empty$
+ 'skip$
+ { organization output.nonnull
+ address output
+ }
+ if$
+ }
+ { format.authors output.nonnull }
+ if$
+ format.title "title" output.check
+ author empty$
+ { organization empty$
+ { address output }
+ 'skip$
+ if$
+ }
+ { organization output
+ address output
+ }
+ if$
+ format.edition output
+ format.date output
+ note output
+ fin.entry
+}
+
+FUNCTION {mastersthesis}
+{ output.bibitem
+ format.authors "author" output.check
+ format.title "title" output.check
+ "Master's thesis" format.thesis.type output.nonnull
+ school "school" output.check
+ address output
+ format.date "year" output.check
+ note output
+ format.book.pages output
+ fin.entry
+}
+
+FUNCTION {misc}
+{ output.bibitem
+ format.authors output
+ format.title output
+ howpublished output
+ format.date output
+ note output
+ format.book.pages output
+ fin.entry
+ empty.misc.check
+}
+
+FUNCTION {phdthesis}
+{ output.bibitem
+ format.authors "author" output.check
+ format.title "title" output.check
+ "Ph.D. thesis" format.thesis.type output.nonnull
+ school "school" output.check
+ address output
+ format.date "year" output.check
+ note output
+ format.book.pages output
+ fin.entry
+}
+
+FUNCTION {proceedings}
+{ output.bibitem
+ editor empty$
+ { organization output }
+ { format.editors output.nonnull }
+ if$
+ format.title "title" output.check
+ format.bookvolume.series.number output
+ address empty$
+ { editor empty$
+ 'skip$
+ { organization output }
+ if$
+ publisher output
+ format.date "year" output.check
+ }
+ { address output.nonnull
+ editor empty$
+ 'skip$
+ { organization output }
+ if$
+ publisher output
+ format.date "year" output.check
+ }
+ if$
+ note output
+ fin.entry
+}
+
+FUNCTION {techreport}
+{ output.bibitem
+ format.authors "author" output.check
+ format.title "title" output.check
+ format.tr.number output.nonnull
+ institution "institution" output.check
+ address output
+ format.date "year" output.check
+ note output
+ fin.entry
+}
+
+FUNCTION {unpublished}
+{ output.bibitem
+ format.authors "author" output.check
+ format.title "title" output.check
+ note "note" output.check
+ format.date output
+ fin.entry
+}
+
+FUNCTION {default.type} { misc }
+
+MACRO {jan} {"January"}
+
+MACRO {feb} {"February"}
+
+MACRO {mar} {"March"}
+
+MACRO {apr} {"April"}
+
+MACRO {may} {"May"}
+
+MACRO {jun} {"June"}
+
+MACRO {jul} {"July"}
+
+MACRO {aug} {"August"}
+
+MACRO {sep} {"September"}
+
+MACRO {oct} {"October"}
+
+MACRO {nov} {"November"}
+
+MACRO {dec} {"December"}
+
+READ
+
+FUNCTION {sortify}
+{ purify$
+ "l" change.case$
+}
+
+INTEGERS { len }
+
+FUNCTION {chop.word}
+{ 's :=
+ 'len :=
+ s #1 len substring$ =
+ { s len #1 + global.max$ substring$ }
+ 's
+ if$
+}
+
+FUNCTION {sort.format.names}
+{ 's :=
+ #1 'nameptr :=
+ ""
+ s num.names$ 'numnames :=
+ numnames 'namesleft :=
+ { namesleft #0 > }
+ { nameptr #1 >
+ { " " * }
+ 'skip$
+ if$
+ s nameptr "{vv{ } }{ll{ }}{ ff{ }}{ jj{ }}" format.name$ 't :=
+ nameptr numnames = t "others" = and
+ { "et al" * }
+ { t sortify * }
+ if$
+ nameptr #1 + 'nameptr :=
+ namesleft #1 - 'namesleft :=
+ }
+ while$
+}
+
+FUNCTION {sort.format.title}
+{ 't :=
+ "A " #2
+ "An " #3
+ "The " #4 t chop.word
+ chop.word
+ chop.word
+ sortify
+ #1 global.max$ substring$
+}
+
+FUNCTION {author.sort}
+{ author empty$
+ { key empty$
+ { "to sort, need author or key in " cite$ * warning$
+ ""
+ }
+ { key sortify }
+ if$
+ }
+ { author sort.format.names }
+ if$
+}
+
+FUNCTION {author.editor.sort}
+{ author empty$
+ { editor empty$
+ { key empty$
+ { "to sort, need author, editor, or key in " cite$ * warning$
+ ""
+ }
+ { key sortify }
+ if$
+ }
+ { editor sort.format.names }
+ if$
+ }
+ { author sort.format.names }
+ if$
+}
+
+FUNCTION {author.organization.sort}
+{ author empty$
+ { organization empty$
+ { key empty$
+ { "to sort, need author, organization, or key in " cite$ * warning$
+ ""
+ }
+ { key sortify }
+ if$
+ }
+ { "The " #4 organization chop.word sortify }
+ if$
+ }
+ { author sort.format.names }
+ if$
+}
+
+FUNCTION {editor.organization.sort}
+{ editor empty$
+ { organization empty$
+ { key empty$
+ { "to sort, need editor, organization, or key in " cite$ * warning$
+ ""
+ }
+ { key sortify }
+ if$
+ }
+ { "The " #4 organization chop.word sortify }
+ if$
+ }
+ { editor sort.format.names }
+ if$
+}
+
+FUNCTION {presort}
+{ type$ "book" =
+ type$ "inbook" =
+ or
+ 'author.editor.sort
+ { type$ "proceedings" =
+ 'editor.organization.sort
+ { type$ "manual" =
+ 'author.organization.sort
+ 'author.sort
+ if$
+ }
+ if$
+ }
+ if$
+ " "
+ *
+ year field.or.null sortify
+ *
+ " "
+ *
+ title field.or.null
+ sort.format.title
+ *
+ #1 entry.max$ substring$
+ 'sort.key$ :=
+}
+
+ITERATE {presort}
+
+SORT
+
+STRINGS { longest.label prev.author this.author }
+
+INTEGERS { number.label longest.label.width }
+
+FUNCTION {initialize.longest.label}
+{ "" 'longest.label :=
+ #1 'number.label :=
+ #0 'longest.label.width :=
+ "abcxyz" 'prev.author :=
+ "" 'this.author :=
+}
+
+FUNCTION {longest.label.pass}
+{ number.label int.to.str$ 'label :=
+ number.label #1 + 'number.label :=
+ label width$ longest.label.width >
+ { label 'longest.label :=
+ label width$ 'longest.label.width :=
+ }
+ 'skip$
+ if$
+ author empty$
+ { editor empty$
+ { "" }
+ 'editor
+ if$
+ }
+ 'author
+ if$
+ 'this.author :=
+}
+
+EXECUTE {initialize.longest.label}
+
+ITERATE {longest.label.pass}
+
+FUNCTION {write.lines}
+{ { duplicate$ "." = NOT }
+ { write$ newline$ }
+ while$
+ pop$
+}
+
+FUNCTION {begin.bib}
+{ preamble$ empty$
+ 'skip$
+ { preamble$ write$ newline$ }
+ if$
+ "\providecommand{\MR}{\relax\ifhmode\unskip\space\fi MR }"
+ write$ newline$
+ "% \MRhref is called by the amsart/book/proc definition of \MR."
+ write$ newline$
+ "\providecommand{\MRhref}[2]{%"
+ write$ newline$
+ " \href{http://www.ams.org/mathscinet-getitem?mr=#1}{#2}"
+ write$ newline$
+ "}"
+ write$ newline$
+ "\providecommand{\href}[2]{#2}"
+ write$ newline$
+ "\begin{thebibliography}{" longest.label * "}" *
+ write$ newline$
+}
+
+EXECUTE {begin.bib}
+
+EXECUTE {init.state.consts}
+
+ITERATE {call.type$}
+
+FUNCTION {end.bib}
+{ newline$
+ "\end{thebibliography}" write$ newline$
+}
+
+EXECUTE {end.bib}
+%% \CharacterTable
+%% {Upper-case \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
+%% Lower-case \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
+%% Digits \0\1\2\3\4\5\6\7\8\9
+%% Exclamation \! Double quote \" Hash (number) \#
+%% Dollar \$ Percent \% Ampersand \&
+%% Acute accent \' Left paren \( Right paren \)
+%% Asterisk \* Plus \+ Comma \,
+%% Minus \- Point \. Solidus \/
+%% Colon \: Semicolon \; Less than \<
+%% Equals \= Greater than \> Question mark \?
+%% Commercial at \@ Left bracket \[ Backslash \\
+%% Right bracket \] Circumflex \^ Underscore \_
+%% Grave accent \` Left brace \{ Vertical bar \|
+%% Right brace \} Tilde \~}
+