%0 Journal Article
%A A. Ya. Lepin
%T Application of topological methods to nonlinear boundary value problems for ordinary differential equations
%J Differencialʹnye uravneniâ
%D 1969
%P 1390-1397
%V 5
%N 8
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1969_5_8_a4/
%G ru
%F DE_1969_5_8_a4