@article{BAG_1988__26_138400,
     author = {B. WERNICKE},
     title = {Topologische {M\"obiusebenen} in spiegelungsgeometrischer {Darstellung}},
     journal = {Beitr\"age zur Algebra und Geometrie},
     pages = {167--184},
     year = {1988},
     volume = {26},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/BAG_1988__26_138400/}
}