%0 Journal Article
%A V. F. Butuzov
%A A. G. Nikitin
%T A singularly perturbed system of equations of elliptic type
%J Differencialʹnye uravneniâ
%D 1990
%P 271-278
%V 26
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1990_26_2_a11/
%G ru
%F DE_1990_26_2_a11