@article{JRAM_1975__273_151537,
     author = {K. Ramachandra},
     title = {On the zeros of a class of generalized {Dirichlet} series.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {31--40},
     publisher = {mathdoc},
     volume = {273},
     year = {1975},
     zbl = {0297.10028},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1975__273_151537/}
}