%0 Journal Article %A Wenpeng Zhang %A Zhefeng Xu %T On the Dirichlet characters of polynomials in several variables %J Acta Arithmetica %D 2006 %P 117-124 %V 121 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa121-2-2/ %R 10.4064/aa121-2-2 %G en %F 10_4064_aa121_2_2