%0 Journal Article
%A K. A. Dib
%T A criterion for small change in the direction of the solutions for $n$th order linear differential equations
%J Differencialʹnye uravneniâ
%D 1975
%P 246-254
%V 11
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1975_11_2_a4/
%G ru
%F DE_1975_11_2_a4