%0 Journal Article %A Kenneth A. Ribet %A Pierre Deligne %T Values of Abelian L-functions at Negative Integers over Totally Real Fields. %J Inventiones mathematicae %D 1980 %P 227-286 %V 59 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1980__59_142740/ %F IM_1980__59_142740