@article{GDZPPN00228894X,
title = {Arithmetical Functions of Finite Abelian Groups.},
journal = {Mathematische Annalen},
volume = {142},
year = {1961},
pages = {165-182},
zbl = {0093.24803},
url = {http://dml.mathdoc.fr/item/GDZPPN00228894X}
}
COHEN, E. Arithmetical Functions of Finite Abelian Groups.. Mathematische Annalen, Tome 142 (1961) pp. 165-182. http://gdmltest.u-ga.fr/item/GDZPPN00228894X/