@INPROCEEDINGS{Selikov95, author = {Selikov, A. Z. and Ponomarenko, L. A. and Qranamarenko, L. S. and Zonomarenko, L. U.}, title = "On the approach to optimal control of queuing systems with multiple classes of customers", booktitle = "Proc.\ International Conf.\ on Syst.\ Sci.\ XII.", address = "Wroclaw (Poland)", year = 1995, pages = "507-515" } @INPROCEEDINGS{Selikov+95, author = {Селиков, A. Z. and Пономарь, L. A. and Крамаренко, L. S. and Золкин, Л. Ю.}, title = "On the approach to optimal control of queuing systems with multiple classes of customers", booktitle = "Proc.\ International Conf.\ on Syst.\ Sci.\ XII.", address = "Wroclaw (Poland)", year = 1995, pages = "507-515", language = "russian" }