@article{DOCMA_1998__S9__a63, author = {Giorgilli, Antonio}, title = {On the problem of stability for near to integrable {Hamiltonian} systems}, journal = {Documenta mathematica}, pages = {143--152}, publisher = {mathdoc}, volume = {ICM Berlin 1998, Vol. III}, year = {1998}, language = {en}, url = {http://geodesic.mathdoc.fr/item/DOCMA_1998__S9__a63/} }