%0 Journal Article
%A S. A. Terziyan
%T A variational approach to nonresonance problems for semilinear equations in a Hilbert space
%J Differencialʹnye uravneniâ
%D 1989
%P 1344-1349
%V 25
%N 8
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1989_25_8_a7/
%G ru
%F DE_1989_25_8_a7