@article{MAN_1986__276_164230,
     author = {Aloys Krieg},
     title = {The {Maa{\ss}-Space} on the {Half-Space} of {Quaternions} of {Degree} 2.},
     journal = {Mathematische Annalen},
     pages = {675--686},
     publisher = {mathdoc},
     volume = {276},
     year = {1986},
     zbl = {0613.10027},
     url = {http://geodesic.mathdoc.fr/item/MAN_1986__276_164230/}
}