%0 Journal Article %A Hongze Li %A Hao Pan %T Difference sets and polynomials of prime variables %J Acta Arithmetica %D 2009 %P 25-52 %V 138 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa138-1-2/ %R 10.4064/aa138-1-2 %G en %F 10_4064_aa138_1_2