@article{1103941180,
author = {Eckmann, J.-P. and Epstein, H. and Wittwer, P.},
title = {Fixed points of Feigenbaum's type for the equation $f^{p}(\lambda x)\equiv \lambda f(x)$},
journal = {Comm. Math. Phys.},
volume = {92},
number = {3},
year = {1984},
pages = { 495-516},
language = {en},
url = {http://dml.mathdoc.fr/item/1103941180}
}
Eckmann, J.-P.; Epstein, H.; Wittwer, P. Fixed points of Feigenbaum's type for the equation $f^{p}(\lambda x)\equiv \lambda f(x)$. Comm. Math. Phys., Tome 92 (1984) no. 3, pp. 495-516. http://gdmltest.u-ga.fr/item/1103941180/