@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/