@article{bwmeta1.element.bwnjournal-article-doi-10_4064-aa118-4-1,
author = {Greg Martin and Carl Pomerance},
title = {The iterated Carmichael $\lambda$-function and the number of cycles of the power generator},
journal = {Acta Arithmetica},
volume = {117},
year = {2005},
pages = {305-335},
zbl = {1109.11046},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-aa118-4-1}
}
Greg Martin; Carl Pomerance. The iterated Carmichael λ-function and the number of cycles of the power generator. Acta Arithmetica, Tome 117 (2005) pp. 305-335. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-aa118-4-1/