@article{GDZPPN00202506X,
title = {Fractional Iteration and a Generalised Abel's Equation in Two Variables},
journal = {Aequationes mathematicae},
volume = {7},
year = {1971},
pages = {11-23},
zbl = {0215.40903},
url = {http://dml.mathdoc.fr/item/GDZPPN00202506X}
}
DIAMOND, PHIL. Fractional Iteration and a Generalised Abel's Equation in Two Variables. Aequationes mathematicae, Tome 7 (1971) pp. 11-23. http://gdmltest.u-ga.fr/item/GDZPPN00202506X/