Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MAN_1967__173_161612, author = {P. Ribenboim}, title = {Higher {Ramification} {Groups} for {Rank} one {Valuations}}, journal = {Mathematische Annalen}, pages = {253--259}, publisher = {mathdoc}, volume = {173}, year = {1967}, zbl = {0166.04504}, url = {http://geodesic.mathdoc.fr/item/MAN_1967__173_161612/} }
P. Ribenboim. Higher Ramification Groups for Rank one Valuations. Mathematische Annalen, Tome 173 (1967), pp. 253-259. http://geodesic.mathdoc.fr/item/MAN_1967__173_161612/