@article{JRAM_1960__205_150451,
     author = {Walter Benz},
     title = {\"Uber {Winkel-} und {Transitivit\"atseigenschaften} in {Kreisebenen.} {I.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {48--74},
     publisher = {mathdoc},
     volume = {205},
     year = {1960},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1960__205_150451/}
}