%0 Journal Article
%A Voisei,  Mircea D.
%T Periodic trajectories for evolution equations in Banach spaces
%J Electronic journal of differential equations
%D 2005
%V 2005
%U http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a6/
%G en
%F EJDE_2005__2005__a6