TY - JOUR AU - Hongze Li AU - Hao Pan TI - Difference sets and polynomials of prime variables JO - Acta Arithmetica PY - 2009 SP - 25 EP - 52 VL - 138 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa138-1-2/ DO - 10.4064/aa138-1-2 LA - en ID - 10_4064_aa138_1_2 ER -