%0 Journal Article
%A S. A. Brykalov
%T A nonlinear boundary value problem with break points of solutions
%J Differencialʹnye uravneniâ
%D 1989
%P 2066-2075
%V 25
%N 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1989_25_12_a4/
%G ru
%F DE_1989_25_12_a4