%0 Journal Article %A V. V. Al'sevich %T Necessary optimality conditions for minimax optimization problems %J Differencialʹnye uravneniâ %D 1976 %P 1384-1391 %V 12 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1976_12_8_a1/ %G ru %F DE_1976_12_8_a1