@article{1183495745, author = {Ketchum, P. W. and Martin, Ted}, title = {Polygenic functions of hypercomplex variables}, journal = {Bull. Amer. Math. Soc.}, volume = {38}, number = {12}, year = {1932}, pages = { 66-72}, language = {en}, url = {http://dml.mathdoc.fr/item/1183495745} }
Ketchum, P. W.; Martin, Ted. Polygenic functions of hypercomplex variables. Bull. Amer. Math. Soc., Tome 38 (1932) no. 12, pp. 66-72. http://gdmltest.u-ga.fr/item/1183495745/