%0 Journal Article %A L. S. Pontryagin %T Optimization in differential games %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1978 %P 25-32 %V 33 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1978_33_6_a2/ %G en %F RM_1978_33_6_a2