%0 Journal Article
%A Fei, Guihua
%T Nontrivial periodic solutions of asymptotically linear Hamiltonian systems
%J Electronic Journal of Differential Equations
%D 2001
%V 2001
%I mathdoc
%U http://geodesic.mathdoc.fr/item/EJDE_2001__2001__a114/
%G en
%F EJDE_2001__2001__a114