%0 Journal Article %A Klaus Hoechsmann %T Constructing Units in commutative group rings. %J Manuscripta mathematica %D 1992 %P 5-24 %V 75 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1992__75_4_155706/ %F MM2_1992__75_4_155706