%0 Journal Article
%A V. F. Butuzov
%A E. A. Derkunova
%T On a singularly perturbed system of first-order partial differential equations with various degrees of a small parameter
%J Differencialʹnye uravneniâ
%D 2006
%P 775-789
%V 42
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_2006_42_6_a6/
%G ru
%F DE_2006_42_6_a6