@article{10_4064_aa121_2_2,
     author = {Wenpeng Zhang and Zhefeng Xu},
     title = {On the {Dirichlet} characters of polynomials
 in several variables},
     journal = {Acta Arithmetica},
     pages = {117--124},
     publisher = {mathdoc},
     volume = {121},
     number = {2},
     year = {2006},
     doi = {10.4064/aa121-2-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa121-2-2/}
}