@article{JRAM_1973__0262_0263_151379,
     author = {S. Chowla and M.J. DeLeon and P. Hartung},
     title = {On a hypothesis implying the non-vanishing of {Dirichlet's} {L-series} {L(s,} x) for s ... 0 and real odd characters x.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {415--419},
     publisher = {mathdoc},
     volume = {0262_0263},
     year = {1973},
     zbl = {0266.10036},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1973__0262_0263_151379/}
}