%0 Journal Article
%A M. A. Shishkova
%T Examination of a system of differential equations with a small parameter in the highest derivatives
%J Doklady Akademii Nauk
%D 1973
%P 576-579
%V 209
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1973_209_3_a15/
%G ru
%F DAN_1973_209_3_a15