@article{05792478,
title = {Combinatorial aspects of the generalized Euler's totient.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {2010},
year = {2010},
doi = {10.1155/2010/648165},
zbl = {1209.11009},
language = {en},
url = {http://dml.mathdoc.fr/item/05792478}
}
Pabhapote, Nittiya; Laohakosol, Vichian. Combinatorial aspects of the generalized Euler's totient.. International Journal of Mathematics and Mathematical Sciences, Tome 2010 (2010) . doi : 10.1155/2010/648165. http://gdmltest.u-ga.fr/item/05792478/