訂正日: 2006/10/20訂正理由: -訂正箇所: 引用文献情報訂正内容: Wrong : 1) A. Fröhlich, The genus field and genus group in finite number fields I, II, Mathematika, 6 (1959), 40-46, 142-146. 2) M. Ishida, Class numbers of algebraic number fields of Eisenstein type, J. Number Theory, 2 (1970), 404-413. 3) M. Ishida, Some unramified abelian extensions of algebraic number fields, J. Reine Angew. Math., 268/269 (1974), 165-173.
Right : [1] A. Fröhlich, The genus field and genus group in finite number fields I, II, Mathematika, 6 (1959), 40-46, 142-146. [2] M. Ishida, Class numbers of algebraic number fields of Eisenstein type, J. Number Theory, 2 (1970), 404-413. [3] M. Ishida, Some unramified abelian extensions of algebraic number fields, J. Reine Angew. Math., 268/269 (1974), 165-173.