@article{IM2_1993_41_1_a6, author = {S. I. Pidkuiko}, title = {On the denseness of the set of nonintegrable hamiltonians}, journal = {Izvestiya. Mathematics }, pages = {143--155}, publisher = {mathdoc}, volume = {41}, number = {1}, year = {1993}, language = {en}, url = {http://geodesic.mathdoc.fr/item/IM2_1993_41_1_a6/} }