%0 Journal Article %A J.V. ARMITAGE %T On a Theorem of Hecke in Number Fields and Function Fields. %J Inventiones mathematicae %D 1966 %P 238-246 %V 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1966__2_141855/ %F IM_1966__2_141855