@article{05577845,
title = {On the number of subsets relatively prime to an integer.},
journal = {Journal of Integer Sequences [electronic only]},
volume = {11},
year = {2008},
zbl = {1165.05303},
language = {en},
url = {http://dml.mathdoc.fr/item/05577845}
}
Ayad, Mohamed; Kihel, Omar. On the number of subsets relatively prime to an integer.. Journal of Integer Sequences [electronic only], Tome 11 (2008) . http://gdmltest.u-ga.fr/item/05577845/