TY - JOUR AU - Jens Marklof TI - Mean square value of exponential sums related to the representation of integers as sums of squares JO - Acta Arithmetica PY - 2005 SP - 353 EP - 370 VL - 117 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa117-4-3/ DO - 10.4064/aa117-4-3 LA - en ID - 10_4064_aa117_4_3 ER -