@article{SJ_1959-1960__3__A9_0,
     author = {Avez, Andr\'e},
     title = {Propri\'et\'es globales des espaces-temps p\'eriodiques clos},
     journal = {S\'eminaire de m\'ecanique analytique et de m\'ecanique c\'eleste},
     note = {talk:9},
     pages = {1--6},
     year = {1959-1960},
     publisher = {Secr\'etariat math\'ematique},
     volume = {3},
     zbl = {0103.44703},
     language = {fr},
     url = {https://www.numdam.org/item/SJ_1959-1960__3__A9_0/}
}