@article{1183493471, author = {Campbell, A. D.}, title = {Note on linear transformations of $n$-ics in $m$ variables}, journal = {Bull. Amer. Math. Soc.}, volume = {35}, number = {6}, year = {1929}, pages = { 691-694}, language = {en}, url = {http://dml.mathdoc.fr/item/1183493471} }
Campbell, A. D. Note on linear transformations of $n$-ics in $m$ variables. Bull. Amer. Math. Soc., Tome 35 (1929) no. 6, pp. 691-694. http://gdmltest.u-ga.fr/item/1183493471/