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@article{MAN_1978__234_163117, author = {Bruce Ferrero}, title = {Iwasawa {Invariants} of {Abelian} {Number} {Fields.}}, journal = {Mathematische Annalen}, pages = {9--24}, publisher = {mathdoc}, volume = {234}, year = {1978}, zbl = {0347.12004}, url = {http://geodesic.mathdoc.fr/item/MAN_1978__234_163117/} }
Bruce Ferrero. Iwasawa Invariants of Abelian Number Fields.. Mathematische Annalen, Tome 234 (1978), pp. 9-24. http://geodesic.mathdoc.fr/item/MAN_1978__234_163117/