@article{JDM_1917__25_145485,
     author = {E. M\"uller},
     title = {Die achsiale {Inversion.}},
     journal = {Jahresbericht der Deutschen Mathematiker-Vereinigung},
     pages = {209--251},
     year = {1917},
     volume = {25},
     zbl = {46.0884.01},
     url = {http://geodesic.mathdoc.fr/item/JDM_1917__25_145485/}
}