Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1980__172_172962, author = {Karl-Heinz Indlekofer}, title = {A {Mean-Value} {Theorem} for {Multiplicative} {Functions.}}, journal = {Mathematische Zeitschrift}, pages = {255--272}, publisher = {mathdoc}, volume = {172}, year = {1980}, zbl = {0416.10035}, url = {http://geodesic.mathdoc.fr/item/MZ_1980__172_172962/} }
Karl-Heinz Indlekofer. A Mean-Value Theorem for Multiplicative Functions.. Mathematische Zeitschrift, Tome 172 (1980), pp. 255-272. http://geodesic.mathdoc.fr/item/MZ_1980__172_172962/