@article{UZERU_2007_1_a2,
     author = {S. M. Dveidary},
     title = {Analysis of network server with customers two-stage service},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {25--31},
     publisher = {mathdoc},
     number = {1},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZERU_2007_1_a2/}
}