%0 Journal Article %A Boughariou, Morched %T Periodic solutions for a class of non-coercive Hamiltonian systems %J Electronic Journal of Differential Equations %D 2001 %V 2001 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2001__2001__a157/ %G en %F EJDE_2001__2001__a157