@article{hal-00702119, author = {Willem, Michel}, title = {Oscillations forc\'ees de syst\`emes hamiltoniens}, journal = {HAL}, volume = {1981}, number = {0}, year = {1981}, language = {fr}, url = {http://dml.mathdoc.fr/item/hal-00702119} }
Willem, Michel. Oscillations forcées de systèmes hamiltoniens. HAL, Tome 1981 (1981) no. 0, . http://gdmltest.u-ga.fr/item/hal-00702119/