%0 Journal Article
%A S. A. Brykalov
%T Solvability of a nonlinear boundary value problem in a fixed set of functions
%J Differencialʹnye uravneniâ
%D 1991
%P 2027-2033
%V 27
%N 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1991_27_12_a0/
%G ru
%F DE_1991_27_12_a0