@article{SCC_1956-1958__2__A8_0,
     author = {Chevalley, C.},
     title = {Les groupes de type $G_2$},
     journal = {S\'eminaire Claude Chevalley},
     note = {talk:21},
     pages = {1--14},
     publisher = {Secr\'etariat math\'ematique},
     volume = {2},
     year = {1956-1958},
     language = {fr},
     url = {http://archive.numdam.org/item/SCC_1956-1958__2__A8_0/}
}