%0 Journal Article
%A V. S. Mokeichev
%T Existence of non-zero periodic solution of differential equations
%J Matematičeskoe modelirovanie
%D 1995
%P 58
%V 7
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MM_1995_7_5_a31/
%G ru
%F MM_1995_7_5_a31