@article{MAN_1966__164_161391,
     author = {W. Benz},
     title = {...-Geometrie und {Geometrie} von {Hjelmslev.}},
     journal = {Mathematische Annalen},
     pages = {118--123},
     year = {1966},
     volume = {164},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MAN_1966__164_161391/}
}