@article{10_21136_AM_1991_104451,
     author = {Schaal, Hermann},
     title = {Bemerkungen zur $n$-dimensionalen reellen {M\"obiusgeometrie.}},
     journal = {Applications of Mathematics},
     pages = {145--148},
     publisher = {mathdoc},
     volume = {36},
     number = {2},
     year = {1991},
     doi = {10.21136/AM.1991.104451},
     mrnumber = {1097698},
     zbl = {0736.51001},
     language = {ge},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1991.104451/}
}