%0 Journal Article
%A Alwash,  Mohamad A.M.
%T Periodic solutions of polynomial non-autonomous differential equations
%J Electronic journal of differential equations
%D 2005
%V 2005
%U http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a231/
%G en
%F EJDE_2005__2005__a231