%0 Journal Article %A V. V. Velichenko %T Optimality conditions in control problems with intermediate conditions %J Doklady Akademii Nauk %D 1967 %P 1011-1013 %V 174 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1967_174_5_a3/ %G ru %F DAN_1967_174_5_a3