@article{10_4064_aa_88_4_299_309,
     author = {Chunlei Liu},
     title = {Dirichlet character sums},
     journal = {Acta Arithmetica},
     pages = {299--309},
     publisher = {mathdoc},
     volume = {88},
     number = {4},
     year = {1999},
     doi = {10.4064/aa-88-4-299-309},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-88-4-299-309/}
}