@article{1183501769, author = {Day, Mahlon M.}, title = {Regularity of function-to-function transformations}, journal = {Bull. Amer. Math. Soc.}, volume = {45}, number = {11}, year = {1939}, pages = { 296-303}, language = {en}, url = {http://dml.mathdoc.fr/item/1183501769} }
Day, Mahlon M. Regularity of function-to-function transformations. Bull. Amer. Math. Soc., Tome 45 (1939) no. 11, pp. 296-303. http://gdmltest.u-ga.fr/item/1183501769/