@article{MZ_1974__137_172068,
     author = {Helmut Schaeffer},
     title = {Die {Sieben-Punkte-Ausartungen} des {Satzes} von {Miquel} in {M\"obiusebenen.}},
     journal = {Mathematische Zeitschrift},
     pages = {185--196},
     publisher = {mathdoc},
     volume = {137},
     year = {1974},
     zbl = {0269.50004},
     url = {http://geodesic.mathdoc.fr/item/MZ_1974__137_172068/}
}