@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/