%0 Journal Article %A Ralph Greenberg %T On the critical values of Hecke L-functions for imaginary quadratic fields. %J Inventiones mathematicae %D 1985 %P 79-94 %V 79 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1985__79_143186/ %F IM_1985__79_143186