%0 Journal Article %A Uwe Weselmann %T An elementary identity in the theory of Hecke L-functions. %J Inventiones mathematicae %D 1989 %P 207-214 %V 95 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1989__95_3_143650/ %F IM_1989__95_3_143650