%0 Journal Article
%A V. N. Bobochko
%T A singularly perturbed problem with a noninvertible limit operator
%J Differencialʹnye uravneniâ
%D 1990
%P 1453-1454
%V 26
%N 8
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1990_26_8_a22/
%G ru
%F DE_1990_26_8_a22