TY - JOUR AU - Dmitrii Zhelezov TI - Discrete spheres and arithmetic progressions in product sets JO - Acta Arithmetica PY - 2017 SP - 235 EP - 248 VL - 178 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa8332-11-2016/ DO - 10.4064/aa8332-11-2016 LA - en ID - 10_4064_aa8332_11_2016 ER -