@article{MAN_1962__147_160961,
     author = {H. Klingen},
     title = {\"Uber den arithmetischen {Charakter} der {Fourierkoeffizienten} von {Modulformen.}},
     journal = {Mathematische Annalen},
     pages = {176--188},
     publisher = {mathdoc},
     volume = {147},
     year = {1962},
     zbl = {0104.26502},
     url = {http://geodesic.mathdoc.fr/item/MAN_1962__147_160961/}
}