@article{MZ_1936__40_168588,
     author = {K.H. Berger},
     title = {Eine projektive {Kennzeichnung} der den {Geraden} \"aquivalenten {Kurvensysteme}},
     journal = {Mathematische Zeitschrift},
     pages = {41--55},
     publisher = {mathdoc},
     volume = {40},
     year = {1936},
     zbl = {0011.13201},
     url = {http://geodesic.mathdoc.fr/item/MZ_1936__40_168588/}
}