@article{MZ_1965__87_170368,
     author = {Helmut M\"aurer},
     title = {Ein spiegelungsgeometrischer {Aufbau} der {Laguerre-Geometrie.} {I.}},
     journal = {Mathematische Zeitschrift},
     pages = {78--100},
     publisher = {mathdoc},
     volume = {87},
     year = {1965},
     zbl = {0124.13004},
     url = {http://geodesic.mathdoc.fr/item/MZ_1965__87_170368/}
}