@article{10_4064_aa_33_1_81_87,
     author = {S. Chowla and I. Kessler and M. Livingston},
     title = {On character sums and the non-vanishing for s > 0 of {Dirichlet} {L-series} belonging to real odd characters \ensuremath{\chi}},
     journal = {Acta Arithmetica},
     pages = {81--87},
     publisher = {mathdoc},
     volume = {33},
     number = {1},
     year = {1977},
     doi = {10.4064/aa-33-1-81-87},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-33-1-81-87/}
}