@article{MAN_1935__111_159777,
     author = {H. S\"ohngen},
     title = {Zur komplexen {Multiplikation}},
     journal = {Mathematische Annalen},
     pages = {302--328},
     publisher = {mathdoc},
     volume = {111},
     year = {1935},
     zbl = {61.0169.02},
     url = {http://geodesic.mathdoc.fr/item/MAN_1935__111_159777/}
}