@article{AIHPA_1990__52_3_283_0,
     author = {Collet, P. and Ferrero, P.},
     title = {Some limit ratio theorem related to a real endomorphism in case of a neutral fixed point},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {283--301},
     publisher = {Gauthier-Villars},
     volume = {52},
     number = {3},
     year = {1990},
     mrnumber = {1057449},
     zbl = {0703.58016},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1990__52_3_283_0/}
}