@article{GDZPPN002111667,
title = {Mating quadratic maps with the modular group.},
journal = {Inventiones mathematicae},
volume = {115},
year = {1994},
pages = {483-512},
zbl = {0801.30025},
url = {http://dml.mathdoc.fr/item/GDZPPN002111667}
}
Bullett, Shaun; Penrose, Christopher. Mating quadratic maps with the modular group.. Inventiones mathematicae, Tome 115 (1994) pp. 483-512. http://gdmltest.u-ga.fr/item/GDZPPN002111667/