%0 Journal Article %A Mikihito Hirabayashi %A Ken-ichi Yoshino %T Remarks on Unit indices of imaginary abelian number fields. %J Manuscripta mathematica %D 1988 %P 423-436 %V 60 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1988__60_2_155291/ %F MM2_1988__60_2_155291