@article{10_1007_s10587_013_0018_0,
     author = {Yao, Weili and Zhang, Wenpeng},
     title = {Two identities related to {Dirichlet} character of polynomials},
     journal = {Czechoslovak Mathematical Journal},
     pages = {281--288},
     publisher = {mathdoc},
     volume = {63},
     number = {1},
     year = {2013},
     doi = {10.1007/s10587-013-0018-0},
     mrnumber = {3035511},
     zbl = {1274.11126},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1007/s10587-013-0018-0/}
}