%0 Journal Article
%A Yu. A. Konyaev
%A Yu. S. Fedorov
%T Asymptotic analysis of certain classes of singularly perturbed problems on the semiaxis
%J Matematičeskie zametki
%D 1997
%P 111-117
%V 62
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1997_62_1_a11/
%G ru
%F MZM_1997_62_1_a11