%0 Journal Article
%A V. N. Solov'ev
%T Duality of nonconvex extremal problems
%J Doklady Akademii Nauk
%D 1990
%P 135-138
%V 314
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1990_314_1_a31/
%G ru
%F DAN_1990_314_1_a31