@article{IM_1974__23_142254,
     author = {H. Iwaniec},
     title = {On {Zeros} of {Dirirchlet's} {L} {Series.}},
     journal = {Inventiones mathematicae},
     pages = {97--104},
     publisher = {mathdoc},
     volume = {23},
     year = {1974},
     zbl = {0275.10024},
     url = {http://geodesic.mathdoc.fr/item/IM_1974__23_142254/}
}