%0 Journal Article
%A Yu. P. Krivenkov
%T Optimality conditions for a quasilinear problem with partial differential equations in the presence of phase constraints
%J Doklady Akademii Nauk
%D 1979
%P 37-41
%V 249
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1979_249_1_a7/
%G ru
%F DAN_1979_249_1_a7