@article{GDZPPN002205351,
title = {Stable reduction of Fermat curves and Jacobi sum Hecke characters.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {390},
year = {1988},
pages = {41-101},
zbl = {0654.12003},
url = {http://dml.mathdoc.fr/item/GDZPPN002205351}
}
Coleman, Robert; McCallum, William. Stable reduction of Fermat curves and Jacobi sum Hecke characters.. Journal für die reine und angewandte Mathematik, Tome 390 (1988) pp. 41-101. http://gdmltest.u-ga.fr/item/GDZPPN002205351/