@article{10_21136_AM_1969_103211,
     author = {Karger, Adolf},
     title = {Grundlagen der r\"aumlichen kinematischen {Geometrie.} {I.}},
     journal = {Applications of Mathematics},
     pages = {87--93},
     publisher = {mathdoc},
     volume = {14},
     number = {2},
     year = {1969},
     doi = {10.21136/AM.1969.103211},
     mrnumber = {0243437},
     zbl = {0177.24303},
     language = {ge},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1969.103211/}
}