@article{MAN_1923__89_159005,
     author = {W. Scherrer},
     title = {Zur {Geometrie} der {Zahlen}},
     journal = {Mathematische Annalen},
     pages = {255--259},
     year = {1923},
     volume = {89},
     zbl = {49.0699.03},
     url = {http://geodesic.mathdoc.fr/item/MAN_1923__89_159005/}
}