@article{SEDP_1973-1974____A15_0,
     author = {Chazarain, J.},
     title = {Flot hamiltonien et spectre d'un op\'erateur elliptique},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:16},
     pages = {1--12},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1973-1974},
     mrnumber = {397803},
     zbl = {0304.35034},
     language = {fr},
     url = {http://www.numdam.org/item/SEDP_1973-1974____A15_0/}
}