%0 Journal Article
%A V. I. Rozhkov
%T An asymptotic power series expansion of the retardation of a periodic solution of an equation of neutral type with small retardation
%J Differencialʹnye uravneniâ
%D 1968
%P 1250-1257
%V 4
%N 7
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1968_4_7_a8/
%G ru
%F DE_1968_4_7_a8