@article{JRAM_1974__267_151432,
     author = {Richard Gabriel},
     title = {Ein {Kollinearit\"atsbedingung} f\"ur {Involutionen} in {Gruppen} und {Algebren.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {20--49},
     publisher = {mathdoc},
     volume = {267},
     year = {1974},
     zbl = {0284.20051},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1974__267_151432/}
}