@article{AIHPA_1971__14_4_309_0,
     author = {Crumeyrolle, A.},
     title = {Groupes de spinorialit\'e},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {309--323},
     publisher = {Gauthier-Villars},
     volume = {14},
     number = {4},
     year = {1971},
     mrnumber = {300213},
     zbl = {0221.53046},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/AIHPA_1971__14_4_309_0/}
}