%0 Journal Article
%A L. M. Berezanskii
%T Positivity of the Cauchy function and stability of linear differential equations with aftereffect
%J Differencialʹnye uravneniâ
%D 1990
%P 1490-1500
%V 26
%N 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1990_26_9_a2/
%G ru
%F DE_1990_26_9_a2