%0 Journal Article %A Heima Hayashi %T On Elliptic Units and Class Number of a Certain Non-Galois Number Field. %J Manuscripta mathematica %D 1983 %P 13-28 %V 45 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1983__45_154971/ %F MM2_1983__45_154971