@article{SEDP_1982-1983____A16_0,
     author = {Lasry, J. M.},
     title = {Solutions p\'eriodiques de syst\`emes hamiltoniens sur des surfaces d'\'energie \'etoil\'ees},
     journal = {S\'eminaire Goulaouic-Schwartz},
     note = {talk:16},
     pages = {1--13},
     year = {1982-1983},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     zbl = {0526.70018},
     language = {fr},
     url = {https://www.numdam.org/item/SEDP_1982-1983____A16_0/}
}