@article{05274209,
title = {The average order of the Dirichlet series of the gcd-sum function.},
journal = {Journal of Integer Sequences [electronic only]},
volume = {10},
year = {2007},
zbl = {1145.11006},
language = {en},
url = {http://dml.mathdoc.fr/item/05274209}
}
Broughan, Kevin A. The average order of the Dirichlet series of the gcd-sum function.. Journal of Integer Sequences [electronic only], Tome 10 (2007) . http://gdmltest.u-ga.fr/item/05274209/