@article{MM2_1989__65_3_155452, author = {Kuniaki Horie}, title = {On the class numbers of cyclotomic fields.}, journal = {Manuscripta mathematica}, pages = {465--478}, year = {1989}, volume = {65}, number = {3}, zbl = {0706.11060}, url = {http://geodesic.mathdoc.fr/item/MM2_1989__65_3_155452/} }