@article{1077491732, author = {Puckett, Jr., W. T.}, title = {Regular transformations}, journal = {Duke Math. J.}, volume = {6}, number = {1}, year = {1940}, pages = { 80-88}, language = {en}, url = {http://dml.mathdoc.fr/item/1077491732} }
Puckett, Jr., W. T. Regular transformations. Duke Math. J., Tome 6 (1940) no. 1, pp. 80-88. http://gdmltest.u-ga.fr/item/1077491732/