%0 Journal Article %A N. P. Osmolovskii %T Second-order conditions for a weak local minimum in an optimal control problem (necessity, sufficiency) %J Doklady Akademii Nauk %D 1975 %P 259-262 %V 225 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1975_225_2_a3/ %G ru %F DAN_1975_225_2_a3