@article{BSMF_1919__47__16_1,
     author = {P\'er\`es, J.},
     title = {Sur les transformations qui conservent la composition},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {16--37},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {47},
     year = {1919},
     doi = {10.24033/bsmf.991},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/bsmf.991/}
}