%0 Journal Article
%A V. A. Sobolev
%A K. I. Chernyshov
%T A singularly perturbed differential equation with a Fredholm operator multiplying the derivative
%J Differencialʹnye uravneniâ
%D 1989
%P 247-258
%V 25
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1989_25_2_a10/
%G ru
%F DE_1989_25_2_a10