@article{EJDE_1999__1999__a8, author = {Fern\'andez Bonder, Juli\'an and Pinasco, Juan Pablo and Rossi, Julio D.}, title = {Existence results for {Hamiltonian} elliptic systems with nonlinear boundary conditions}, journal = {Electronic Journal of Differential Equations}, publisher = {mathdoc}, volume = {1999}, year = {1999}, language = {en}, url = {http://geodesic.mathdoc.fr/item/EJDE_1999__1999__a8/} }