%0 Journal Article %A Yu. S. Ledyaev %A E. F. Mishchenko %T Extremal problems in the theory of differential games %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1988 %P 147-170 %V 185 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1988_185_a11/ %G ru %F TM_1988_185_a11