@article{MAN_1978__233_163105,
     author = {G. van der Geer},
     title = {Hilbert {Modular} {Forms} for the {Field} {Q} (...|},
     journal = {Mathematische Annalen},
     pages = {163--180},
     publisher = {mathdoc},
     volume = {233},
     year = {1978},
     zbl = {0357.10014},
     url = {http://geodesic.mathdoc.fr/item/MAN_1978__233_163105/}
}