@article{1183494660, author = {Bell, E. T.}, title = {Factorability of numerical functions}, journal = {Bull. Amer. Math. Soc.}, volume = {37}, number = {12}, year = {1931}, pages = { 251-253}, language = {en}, url = {http://dml.mathdoc.fr/item/1183494660} }
Bell, E. T. Factorability of numerical functions. Bull. Amer. Math. Soc., Tome 37 (1931) no. 12, pp. 251-253. http://gdmltest.u-ga.fr/item/1183494660/