@article{10_4064_aa138_1_2,
     author = {Hongze Li and Hao Pan},
     title = {Difference sets and polynomials of prime variables},
     journal = {Acta Arithmetica},
     pages = {25--52},
     publisher = {mathdoc},
     volume = {138},
     number = {1},
     year = {2009},
     doi = {10.4064/aa138-1-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa138-1-2/}
}