@article{1225113603,
author = {SATO, Hiroki},
title = {J\o rgensen's inequality for classical Schottky groups of real type},
journal = {J. Math. Soc. Japan},
volume = {50},
number = {4},
year = {1998},
pages = { 945-968},
language = {en},
url = {http://dml.mathdoc.fr/item/1225113603}
}
SATO, Hiroki. Jørgensen's inequality for classical Schottky groups of real type. J. Math. Soc. Japan, Tome 50 (1998) no. 4, pp. 945-968. http://gdmltest.u-ga.fr/item/1225113603/