%0 Journal Article
%A T. R. Gichev
%T A singularly perturbed linear system in a critical case
%J Differencialʹnye uravneniâ
%D 1987
%P 1851-1861
%V 23
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1987_23_11_a1/
%G ru
%F DE_1987_23_11_a1