%0 Journal Article %A A. V. Tkachenko %T One-channel system with unreliable server and different service times %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2013 %P 12-17 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_2013_2_a2/ %G ru %F VMUMM_2013_2_a2