%0 Journal Article
%A A. D. Lyashko
%T The variational method for nonlinear operator equations
%J Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki
%D 1965
%P 95-101
%V 125
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/UZKU_1965_125_2_a9/
%G ru
%F UZKU_1965_125_2_a9