@article{GDZPPN002423723,
title = {A Mean-Value Theorem for Multiplicative Functions.},
journal = {Mathematische Zeitschrift},
volume = {174},
year = {1980},
pages = {255-272},
zbl = {0416.10035},
url = {http://dml.mathdoc.fr/item/GDZPPN002423723}
}
Indlekofer, Karl-Heinz. A Mean-Value Theorem for Multiplicative Functions.. Mathematische Zeitschrift, Tome 174 (1980) pp. 255-272. http://gdmltest.u-ga.fr/item/GDZPPN002423723/