@article{GDZPPN00240110X, title = {Divisor Moment Means.}, journal = {Mathematische Zeitschrift}, volume = {99}, year = {1967}, pages = {158-162}, zbl = {0173.06002}, url = {http://dml.mathdoc.fr/item/GDZPPN00240110X} }
Fridy, J.A. Divisor Moment Means.. Mathematische Zeitschrift, Tome 99 (1967) pp. 158-162. http://gdmltest.u-ga.fr/item/GDZPPN00240110X/