%0 Journal Article
%A V. F. Butuzov
%T The construction of boundary functions in certain singularly perturbed problems of elliptic type
%J Differencialʹnye uravneniâ
%D 1977
%P 1829-1835
%V 13
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1977_13_10_a13/
%G ru
%F DE_1977_13_10_a13