%0 Journal Article %A Kh. V. Kerobyan %T The model $M G|1| \infty$ with unreliable server and «negative» customers %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 2007 %P 11-19 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_2007_3_a1/ %G ru %F UZERU_2007_3_a1