%0 Journal Article %A T. K. Vinogradova %A V. F. Dem'yanov %T On the minimax principle in optimal control problems %J Doklady Akademii Nauk %D 1973 %P 512-514 %V 213 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1973_213_3_a2/ %G ru %F DAN_1973_213_3_a2