%0 Journal Article %A A. A. Yuškevič %T Markov controlled models with countable state space and continuous time %J Teoriâ veroâtnostej i ee primeneniâ %D 1977 %P 222-241 %V 22 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1977_22_2_a1/ %G ru %F TVP_1977_22_2_a1