%0 Journal Article
%A N. V. Medvedev
%T The method of integral equations in the problem of periodic solutions of ordinary differential equations
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1969
%P 28-34
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1969_3_a3/
%G ru
%F IVM_1969_3_a3