@article{JRAM_1962__210_150542,
     author = {Sigrid Becken},
     title = {Spiegelungsrelationen in orthogonalen {Gruppen.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {205--215},
     publisher = {mathdoc},
     volume = {210},
     year = {1962},
     zbl = {0105.01201},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1962__210_150542/}
}