@article{01021602, title = {Lower and upper bounds for the splitting of separatrices of a pendulum under a fast quasiperiodic forcing.}, journal = {Electronic Research Announcements of the American Mathematical Society [electronic only]}, volume = {3}, year = {1997}, pages = {1-10}, doi = {10.1090/S1079-6762-97-00017-6}, zbl = {0867.34035}, language = {en}, url = {http://dml.mathdoc.fr/item/01021602} }
Delshams, Amadeu; Gelfreich, Vassili; Jorba, Àngel; Seara, Tere M. Lower and upper bounds for the splitting of separatrices of a pendulum under a fast quasiperiodic forcing.. Electronic Research Announcements of the American Mathematical Society [electronic only], Tome 3 (1997) pp. 1-10. doi : 10.1090/S1079-6762-97-00017-6. http://gdmltest.u-ga.fr/item/01021602/