@article{1077491905, author = {Helmer, Olaf}, title = {Divisibility properties of integral functions}, journal = {Duke Math. J.}, volume = {6}, number = {1}, year = {1940}, pages = { 345-356}, language = {en}, url = {http://dml.mathdoc.fr/item/1077491905} }
Helmer, Olaf. Divisibility properties of integral functions. Duke Math. J., Tome 6 (1940) no. 1, pp. 345-356. http://gdmltest.u-ga.fr/item/1077491905/