@article{RCP25_1990__41__191_0,
     author = {Chaperon, Marc},
     title = {Phases g\'en\'eratrices en g\'eom\'etrie symplectique},
     journal = {Les rencontres physiciens-math\'ematiciens de Strasbourg -RCP25},
     note = {talk:7},
     pages = {191--197},
     publisher = {Institut de Recherche Math\'ematique Avanc\'ee - Universit\'e Louis Pasteur},
     volume = {41},
     year = {1990},
     language = {fr},
     url = {http://archive.numdam.org/item/RCP25_1990__41__191_0/}
}