@incollection{SB_1974-1975__17__111_0,
     author = {Chazarain, Jacques},
     title = {Spectre des op\'erateurs elliptiques et flots hamiltoniens},
     booktitle = {S\'eminaire Bourbaki : vol. 1974/75, expos\'es 453-470},
     series = {S\'eminaire Bourbaki},
     note = {talk:460},
     pages = {111--123},
     year = {1976},
     publisher = {Springer-Verlag},
     address = {Berlin/Heidelberg},
     number = {17},
     mrnumber = {445564},
     zbl = {0338.58017},
     language = {fr},
     url = {https://www.numdam.org/item/SB_1974-1975__17__111_0/}
}