@article{bwmeta1.element.bwnjournal-article-aav5i4p425bwm,
author = {Schinzel, Andrzej and Wakulicz, Andrzej},
title = {Sur l'\'equation $\phi$ (x+k)=$\phi$ (x). II},
journal = {Acta Arithmetica},
volume = {5},
year = {1959},
pages = {425-426},
zbl = {0091.04504},
language = {fra},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-aav5i4p425bwm}
}
Schinzel, Andrzej; Wakulicz, Andrzej. Sur l'équation φ (x+k)=φ (x). II. Acta Arithmetica, Tome 5 (1959) pp. 425-426. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-aav5i4p425bwm/