@article{GDZPPN00219919X,
title = {Arithmetic properties of the solutions of a class of functional equations.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {334},
year = {1982},
pages = {159-172},
zbl = {0468.10019},
url = {http://dml.mathdoc.fr/item/GDZPPN00219919X}
}
Loxton, J.H.; Poorten, A.J. van der. Arithmetic properties of the solutions of a class of functional equations.. Journal für die reine und angewandte Mathematik, Tome 334 (1982) pp. 159-172. http://gdmltest.u-ga.fr/item/GDZPPN00219919X/