TY - JOUR AU - Alan Adolphson AU - Steven Sperber TI - Exponential sums on (Gm)n. JO - Inventiones mathematicae PY - 1990 SP - 63 EP - 80 VL - 101 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM_1990__101_2_143798/ ID - IM_1990__101_2_143798 ER -