%0 Journal Article
%A V. P. Prokop'ev
%A S. N. Shimanov
%T On stability in the critical case of a double zero root for systems with an aftereffect
%J Differencialʹnye uravneniâ
%D 1966
%P 453-462
%V 2
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1966_2_4_a1/
%G ru
%F DE_1966_2_4_a1