%0 Journal Article %A A. G. Chentsov %T On an alternative in a class of quasistrategies for a differential approach-evasion game %J Differencialʹnye uravneniâ %D 1980 %P 1801-1808 %V 16 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1980_16_10_a7/ %G ru %F DE_1980_16_10_a7