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@article{JRAM_1978__301_152031, author = {Mutsuo Watabe}, title = {On class numbers of some cyclotomic fields.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {212--215}, publisher = {mathdoc}, volume = {301}, year = {1978}, zbl = {0375.12005}, url = {http://geodesic.mathdoc.fr/item/JRAM_1978__301_152031/} }
Mutsuo Watabe. On class numbers of some cyclotomic fields.. Journal für die reine und angewandte Mathematik, Tome 301 (1978), pp. 212-215. http://geodesic.mathdoc.fr/item/JRAM_1978__301_152031/