%0 Journal Article %A Yu. I. Kifer %T The optimal policy in games with unbounded sequence of moves %J Teoriâ veroâtnostej i ee primeneniâ %D 1969 %P 284-291 %V 14 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1969_14_2_a7/ %G ru %F TVP_1969_14_2_a7