@article{1183418658, author = {Epsteen, Saul}, title = {Note on the structure of hypercomplex number systems}, journal = {Bull. Amer. Math. Soc.}, volume = {12}, number = {3}, year = {1905}, pages = { 69-71}, language = {en}, url = {http://dml.mathdoc.fr/item/1183418658} }
Epsteen, Saul. Note on the structure of hypercomplex number systems. Bull. Amer. Math. Soc., Tome 12 (1905) no. 3, pp. 69-71. http://gdmltest.u-ga.fr/item/1183418658/