@article{IM_1989__95_3_143665,
     author = {W. Kohnen and N.-P. Skoruppa},
     title = {A certain {Dirichlet} series attached to {Siegel} modular forms of degree two.},
     journal = {Inventiones mathematicae},
     pages = {541--558},
     publisher = {mathdoc},
     volume = {95},
     number = {3},
     year = {1989},
     zbl = {0665.10019},
     url = {http://geodesic.mathdoc.fr/item/IM_1989__95_3_143665/}
}