%0 Journal Article %A M. Baybazarov %A V. N. Ushakov %T On the existence of the cost of differential games with integral constraints %J Differencialʹnye uravneniâ %D 1991 %P 931-941 %V 27 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1991_27_6_a1/ %G ru %F DE_1991_27_6_a1