@article{MZ_1982__181_173225,
     author = {Jeffrey Hoffstein},
     title = {Real {Zeros} of {Eisenstein} {Series.}},
     journal = {Mathematische Zeitschrift},
     pages = {179--190},
     publisher = {mathdoc},
     volume = {181},
     year = {1982},
     zbl = {0499.10030},
     url = {http://geodesic.mathdoc.fr/item/MZ_1982__181_173225/}
}