@article {2002,
	title = {Chaotic dynamics for perturbations of infinite-dimensional Hamiltonian systems},
	journal = {Nonlinear Anal. 48 (2002) 481-504},
	number = {SISSA;65/99/M},
	year = {2002},
	publisher = {Elsevier},
	doi = {10.1016/S0362-546X(00)00200-5},
	url = {http://hdl.handle.net/1963/1279},
	author = {Massimiliano Berti and Carlo Carminati}
}
