@article{1103942538, author = {MacKay, R. S. and Percival, I. C.}, title = {Converse KAM: theory and practice}, journal = {Comm. Math. Phys.}, volume = {97}, number = {3}, year = {1985}, pages = { 469-512}, language = {en}, url = {http://dml.mathdoc.fr/item/1103942538} }
MacKay, R. S.; Percival, I. C. Converse KAM: theory and practice. Comm. Math. Phys., Tome 97 (1985) no. 3, pp. 469-512. http://gdmltest.u-ga.fr/item/1103942538/