TY - JOUR AU - Matti Jutila TI - Mean value estimates for exponential sums with applications to $L$-functions JO - Acta Arithmetica PY - 1991 SP - 93 EP - 114 VL - 57 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa-57-2-93-114/ DO - 10.4064/aa-57-2-93-114 LA - en ID - 10_4064_aa_57_2_93_114 ER -