%0 Journal Article
%A Yu. S. Kolesov
%A V. F. Chaplygin
%T On nonoscillation of solutions to singularly disturbed equations of second order
%J Doklady Akademii Nauk
%D 1971
%P 1240-1242
%V 199
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1971_199_6_a5/
%G ru
%F DAN_1971_199_6_a5