%0 Journal Article
%A N. V. Sharkova
%T Approximate solution by the oscillating function method of differential equations with lagging argument
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1960
%P 256-260
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1960_3_a28/
%G ru
%F IVM_1960_3_a28