%0 Journal Article %A Eduardo C. Friedmann %T Ideal Class Groups in Basic ...p1 x....x...ps-Extensions of Abelian Number Fields. %J Inventiones mathematicae %D 1981 %P 425-440 %V 65 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1981__65_142858/ %G en %F IM_1981__65_142858