TY - JOUR AU - C.R. Matthews TI - Gauss Sums and Elliptic Functions: II. The Quartic Sum. JO - Inventiones mathematicae PY - 1979 SP - 23 EP - 52 VL - 54 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM_1979__54_142671/ ID - IM_1979__54_142671 ER -