%0 Journal Article %A Fernández Bonder, Julián %A Pinasco, Juan Pablo %A Rossi, Julio D. %T Existence results for Hamiltonian elliptic systems with nonlinear boundary conditions %J Electronic Journal of Differential Equations %D 1999 %V 1999 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_1999__1999__a8/ %G en %F EJDE_1999__1999__a8