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@article{MS2_1975__37_166427, author = {Tauno Mets\"ankyl\"a}, title = {On the cyclotomic invariants of {Iwasawa.}}, journal = {Mathematica Scandinavica}, pages = {61--75}, publisher = {mathdoc}, volume = {37}, year = {1975}, zbl = {0314.12004}, url = {http://geodesic.mathdoc.fr/item/MS2_1975__37_166427/} }
Tauno Metsänkylä. On the cyclotomic invariants of Iwasawa.. Mathematica Scandinavica, Tome 37 (1975), pp. 61-75. http://geodesic.mathdoc.fr/item/MS2_1975__37_166427/