@article{bwmeta1.element.bwnjournal-article-aav28i4p387bwm,
author = {Pomerance, Carl},
title = {On composite n for which $\phi$(n) | n -1},
journal = {Acta Arithmetica},
volume = {31},
year = {1976},
pages = {387-389},
zbl = {0291.10006},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-aav28i4p387bwm}
}
Pomerance, Carl. On composite n for which φ(n) | n -1. Acta Arithmetica, Tome 31 (1976) pp. 387-389. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-aav28i4p387bwm/