@article{SMJ_1933-1934__1__A5_0,
     author = {Dubreil, Paul},
     title = {Repr\'esentations des syst\`emes hypercomplexes},
     journal = {S\'eminaire de Math\'ematiques dit de Julia},
     note = {talk:5},
     pages = {1--22},
     publisher = {\'Ecole Normale Sup\'erieure},
     volume = {1},
     year = {1933-1934},
     language = {fr},
     url = {http://www.numdam.org/item/SMJ_1933-1934__1__A5_0/}
}