@article{bwmeta1.element.bwnjournal-article-aav4i3p181bwm, author = {Schinzel, Andrzej}, title = {Sur l'\'equation $\phi$ (x+k)=$\phi$ (k)}, journal = {Acta Arithmetica}, volume = {4}, year = {1958}, pages = {181-184}, zbl = {0086.03602}, language = {fra}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-aav4i3p181bwm} }
Schinzel, Andrzej. Sur l'équation φ (x+k)=φ (k). Acta Arithmetica, Tome 4 (1958) pp. 181-184. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-aav4i3p181bwm/