%0 Journal Article %A E. S. Levitin %T On the local perturbation theory of a problem of mathematical programming in a Banach space %J Doklady Akademii Nauk %D 1975 %P 1020-1023 %V 224 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1975_224_5_a7/ %G ru %F DAN_1975_224_5_a7