@article{AIHPA_1980__32_3_295_0,
     author = {Bray, M.},
     title = {Sur quelques univers dont l'espace est localement sym\'etrique},
     journal = {Annales de l'institut Henri Poincar\'e. Section A, Physique Th\'eorique},
     pages = {295--301},
     publisher = {Gauthier-Villars},
     volume = {32},
     number = {3},
     year = {1980},
     mrnumber = {579966},
     zbl = {0439.53042},
     language = {fr},
     url = {http://www.numdam.org/item/AIHPA_1980__32_3_295_0/}
}