@article{MZ_1993__213_1_174518,
     author = {Winfried Kohnen},
     title = {Class numbers, {Jacobi} forms and {Siegel-Eisenstein} series of weight 2 on {Sp2.}},
     journal = {Mathematische Zeitschrift},
     pages = {75--96},
     publisher = {mathdoc},
     volume = {213},
     number = {1},
     year = {1993},
     zbl = {0797.11050},
     url = {http://geodesic.mathdoc.fr/item/MZ_1993__213_1_174518/}
}