@article{MAN_1958__135_160622,
     author = {K.-B. Gundlach},
     title = {Dirichletsche {Reihen} zur {Hilbertschen} {Modulgruppe.}},
     journal = {Mathematische Annalen},
     pages = {294--314},
     publisher = {mathdoc},
     volume = {135},
     year = {1958},
     zbl = {0133.04301},
     url = {http://geodesic.mathdoc.fr/item/MAN_1958__135_160622/}
}