Voir la notice de l'article provenant de la source Numdam
@article{CM_1984__53_1_3_0, author = {Sinnott, Warren M.}, title = {On $p$-adic $L$-functions and the {Riemann-Hurwitz} genus formula}, journal = {Compositio Mathematica}, pages = {3--17}, publisher = {Martinus Nijhoff Publishers}, volume = {53}, number = {1}, year = {1984}, mrnumber = {762305}, zbl = {0545.12011}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CM_1984__53_1_3_0/} }
Sinnott, Warren M. On $p$-adic $L$-functions and the Riemann-Hurwitz genus formula. Compositio Mathematica, Tome 53 (1984) no. 1, pp. 3-17. http://geodesic.mathdoc.fr/item/CM_1984__53_1_3_0/