%0 Journal Article
%A Yu. P. Boglaev
%T On the theory of singularly perturbed problems with branch points for degenerate equations
%J Differencialʹnye uravneniâ
%D 1972
%P 762-766
%V 8
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1972_8_5_a1/
%G ru
%F DE_1972_8_5_a1