%0 Journal Article %A V. G. Ušakov %T A queueing system with Erlang incoming flow with relative priority %J Teoriâ veroâtnostej i ee primeneniâ %D 1977 %P 860-866 %V 22 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1977_22_4_a18/ %G ru %F TVP_1977_22_4_a18