%0 Journal Article %A E. S. Levitin %A A. A. Milyutin %A N. P. Osmolovskii %T On necessary and sufficient conditions for a local minimum in a problem with constraints %J Doklady Akademii Nauk %D 1973 %P 1022-1025 %V 210 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1973_210_5_a6/ %G ru %F DAN_1973_210_5_a6