%0 Journal Article %A Güunther, Georg %A Nolte, Wolfgang %T Defining Relations in Orthogonal Groups of Characteristic Two %J Canadian journal of mathematics %D 1979 %P 1217-1246 %V 31 %N 6 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1979-103-x/ %R 10.4153/CJM-1979-103-x %F 10_4153_CJM_1979_103_x