@article{GDZPPN002103400,
title = {On Galois representations arising from towers of coverings of P1 ... .},
journal = {Inventiones mathematicae},
volume = {83},
year = {1986},
pages = {427-460},
zbl = {0585.14020},
url = {http://dml.mathdoc.fr/item/GDZPPN002103400}
}
Ihara, Y. On Galois representations arising from towers of coverings of P1 ... .. Inventiones mathematicae, Tome 83 (1986) pp. 427-460. http://gdmltest.u-ga.fr/item/GDZPPN002103400/