%0 Journal Article
%A S. A. Brykalov
%T Some conditions for the existence of solutions of nonlinear
%J Doklady Akademii Nauk
%D 1985
%P 1297-1301
%V 284
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1985_284_6_a2/
%G ru
%F DAN_1985_284_6_a2