%0 Journal Article %A S. M. Dveidary %T Analysis of network server with customers two-stage service %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 2007 %P 25-31 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_2007_1_a2/ %G ru %F UZERU_2007_1_a2