%0 Journal Article %A Lawrence Washington %T The Non-p-Part of the Class Number in a Cyclotomic ...p-Extension. %J Inventiones mathematicae %D 1978 %P 87-98 %V 49 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1978__49_142595/ %F IM_1978__49_142595