@article{GDZPPN002185466,
title = {An extension of Daykin's generalized M\"obius function to unitary divisors.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {247},
year = {1971},
pages = {117-125},
zbl = {0209.35303},
url = {http://dml.mathdoc.fr/item/GDZPPN002185466}
}
Horadam, E.M. An extension of Daykin's generalized Möbius function to unitary divisors.. Journal für die reine und angewandte Mathematik, Tome 247 (1971) pp. 117-125. http://gdmltest.u-ga.fr/item/GDZPPN002185466/