%0 Journal Article %A V. V. Pavlov %A G. M. Ulanov %T Invariance and differential games %J Doklady Akademii Nauk %D 1971 %P 783-784 %V 199 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_199_4_a12/ %G ru %F DAN_1971_199_4_a12