%0 Journal Article
%A N. E. Barabanov
%T On the existence of an extremal norm for a class of linear differential equations with retarded argument
%J Differencialʹnye uravneniâ
%D 1998
%P 294-297
%V 34
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1998_34_3_a1/
%G ru
%F DE_1998_34_3_a1