%0 Journal Article %A Eva Bayer-Fluckiger %T Isometries of quadratic spaces %J Journal of the European Mathematical Society %D 2015 %P 1629-1656 %V 17 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4171/jems/541/ %R 10.4171/jems/541 %F JEMS_2015_17_7_a3