%0 Journal Article %A C.R. Matthews %T Gauss Sums and Elliptic Functions: II. The Quartic Sum. %J Inventiones mathematicae %D 1979 %P 23-52 %V 54 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1979__54_142671/ %F IM_1979__54_142671