TY - JOUR AU - Jean Bourgain AU - S.V. Konyagin TI - Estimates for the number of sums and products and for exponential sums over subgroups in fields of prime order JO - Comptes Rendus. Mathématique PY - 2003 SP - 75 EP - 80 VL - 337 IS - 2 PB - Elsevier DO - 10.1016/S1631-073X(03)00281-4 LA - en ID - CRMATH_2003__337_2_75_0 ER -