@article{bwmeta1.element.bwnjournal-article-aav29i4p315bwm,
author = {Williams, H.},
title = {A generalization of Lehmer's functions},
journal = {Acta Arithmetica},
volume = {31},
year = {1976},
pages = {315-341},
zbl = {0287.10011},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-aav29i4p315bwm}
}
Williams, H. A generalization of Lehmer's functions. Acta Arithmetica, Tome 31 (1976) pp. 315-341. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-aav29i4p315bwm/