TY - JOUR AU - Güunther, Georg AU - Nolte, Wolfgang TI - Defining Relations in Orthogonal Groups of Characteristic Two JO - Canadian journal of mathematics PY - 1979 SP - 1217 EP - 1246 VL - 31 IS - 6 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1979-103-x/ DO - 10.4153/CJM-1979-103-x ID - 10_4153_CJM_1979_103_x ER -