@article{MZ_1962__78_170007,
     author = {Edgar Berz},
     title = {Kegelschnitte in desarguesschen {Ebenen.}},
     journal = {Mathematische Zeitschrift},
     pages = {55--85},
     year = {1962},
     volume = {78},
     zbl = {0103.13504},
     url = {http://geodesic.mathdoc.fr/item/MZ_1962__78_170007/}
}