@article{MZ_1971__119_171490,
     author = {Francis Buekenhout},
     title = {Inversions in {Locally} {Affine} {Circular} {Spaces.} {I.}},
     journal = {Mathematische Zeitschrift},
     pages = {189--202},
     publisher = {mathdoc},
     volume = {119},
     year = {1971},
     zbl = {0204.20904},
     url = {http://geodesic.mathdoc.fr/item/MZ_1971__119_171490/}
}