TY - JOUR AU - Patrick Sargos TI - An analog of van der Corput's $A^{4}$-process for exponential sums JO - Acta Arithmetica PY - 2003 SP - 219 EP - 231 VL - 110 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa110-3-2/ DO - 10.4064/aa110-3-2 LA - en ID - 10_4064_aa110_3_2 ER -