%0 Journal Article %A V. F. Dem'yanov %T On the directional differentiation of the maximin function %J Doklady Akademii Nauk %D 1968 %P 1032-1033 %V 179 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1968_179_5_a5/ %G ru %F DAN_1968_179_5_a5