%0 Journal Article
%A A. B. Kurzhanskii
%T On the approximation of linear differential equations with lag
%J Differencialʹnye uravneniâ
%D 1967
%P 2094-2107
%V 3
%N 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1967_3_12_a9/
%G ru
%F DE_1967_3_12_a9