%0 Journal Article
%A E. S. Levitin
%T On conditions for a local minimum in extremal problems with constraints
%J Doklady Akademii Nauk
%D 1975
%P 1031-1034
%V 221
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1975_221_5_a6/
%G ru
%F DAN_1975_221_5_a6