%0 Journal Article %A D. A. Molodtsov %T Approximation of optimality principles in a problem on finding a %J Doklady Akademii Nauk %D 1985 %P 291-294 %V 284 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1985_284_2_a6/ %G ru %F DAN_1985_284_2_a6