%0 Journal Article
%A A. B. Shabat
%T Boundary-value problems with small parameter for ordinary linear differential equations
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1962
%V 17
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1962_17_1_a19/
%G ru
%F RM_1962_17_1_a19