%0 Journal Article
%A N. V. Azbelev
%T The zeros of the solutions of a second order linear differential equation with retarded argument
%J Differencialʹnye uravneniâ
%D 1971
%P 1147-1157
%V 7
%N 7
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1971_7_7_a0/
%G ru
%F DE_1971_7_7_a0