@article{04160875,
title = {A property of generalized Ramanujan's sums concerning generalized completely multiplicative functions.},
journal = {Publications de l'Institut Math\'ematique. Nouvelle S\'erie},
volume = {46(60)},
year = {1989},
pages = {43-49},
zbl = {0707.11067},
language = {en},
url = {http://dml.mathdoc.fr/item/04160875}
}
Haukkanen, Pentti. A property of generalized Ramanujan's sums concerning generalized completely multiplicative functions.. Publications de l'Institut Mathématique. Nouvelle Série, Tome 46(60) (1989) pp. 43-49. http://gdmltest.u-ga.fr/item/04160875/