@article{JRAM_1974__0268_0269_151461,
     author = {Winfried Scharlau},
     title = {Involutions on orders. {I.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {190--202},
     publisher = {mathdoc},
     volume = {0268_0269},
     year = {1974},
     zbl = {0293.16008},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1974__0268_0269_151461/}
}