%0 Journal Article %A C.R. Matthews %T Gauss Sums and Elliptic Functions. I. The Kummer Sum. %J Inventiones mathematicae %D 1979 %P 163-186 %V 52 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1979__52_142647/ %F IM_1979__52_142647