%0 Journal Article
%A N. V. Sharkova
%T Approximate solution of integro-differential equations with retarded argument by the method of oscillating functions
%J Differencialʹnye uravneniâ
%D 1970
%P 1418-1423
%V 6
%N 8
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1970_6_8_a10/
%G ru
%F DE_1970_6_8_a10