%0 Journal Article %A L. S. Pontryagin %A E. F. Mishchenko %T The problem of the escape of one controlled object from another %J Doklady Akademii Nauk %D 1969 %P 721-723 %V 189 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_189_4_a7/ %G ru %F DAN_1969_189_4_a7