@article{1102702441,
author = {Masser, D. W. and Shiu, P.},
title = {On sparsely totient numbers.},
journal = {Pacific J. Math.},
volume = {125},
number = {2},
year = {1986},
pages = { 407-426},
language = {en},
url = {http://dml.mathdoc.fr/item/1102702441}
}
Masser, D. W.; Shiu, P. On sparsely totient numbers.. Pacific J. Math., Tome 125 (1986) no. 2, pp. 407-426. http://gdmltest.u-ga.fr/item/1102702441/