%0 Journal Article
%A N. V. Sharkova
%T Approximate solution by the oscillating function method of integro-differential equations and differential equations with retarded argument
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1963
%P 158-167
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1963_1_a19/
%G ru
%F IVM_1963_1_a19