@article{MAN_1957__134_160595,
     author = {W. Benz},
     title = {Beziehungen zwischen {Orthogonalit\"ats-} und {Anordnungseigenschaften} in {Kreisebenen.}},
     journal = {Mathematische Annalen},
     pages = {385--402},
     publisher = {mathdoc},
     volume = {134},
     year = {1957},
     zbl = {0084.37203},
     url = {http://geodesic.mathdoc.fr/item/MAN_1957__134_160595/}
}