%0 Journal Article
%A B. L. Shekhter
%T A boundary value problem of periodic type for a second-order nonlinear ordinary differential equation
%J Differencialʹnye uravneniâ
%D 1986
%P 1551-1556
%V 22
%N 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1986_22_9_a9/
%G ru
%F DE_1986_22_9_a9