%0 Journal Article
%A A. I. Domoshnitskii
%T Extension of the Sturm theorem to equations with retarded argument
%J Differencialʹnye uravneniâ
%D 1983
%P 1475-1482
%V 19
%N 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1983_19_9_a0/
%G ru
%F DE_1983_19_9_a0