Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{CMH_1975__50_139607, author = {Samuel S.H. Young}, title = {The {Hurwitz} {Matrix} {Equations} and {Multifour} {Groups.}}, journal = {Commentarii mathematici Helvetici}, pages = {45--58}, publisher = {mathdoc}, volume = {50}, year = {1975}, zbl = {0305.15006}, url = {http://geodesic.mathdoc.fr/item/CMH_1975__50_139607/} }
Samuel S.H. Young. The Hurwitz Matrix Equations and Multifour Groups.. Commentarii mathematici Helvetici, Tome 50 (1975), pp. 45-58. http://geodesic.mathdoc.fr/item/CMH_1975__50_139607/