@article{MZ_1991__207_2_174295,
     author = {Winfried Kohnen},
     title = {Cusp forms and special values of certain {Dirichlet} series.},
     journal = {Mathematische Zeitschrift},
     pages = {657--660},
     publisher = {mathdoc},
     volume = {207},
     number = {2},
     year = {1991},
     zbl = {0744.11026},
     url = {http://geodesic.mathdoc.fr/item/MZ_1991__207_2_174295/}
}