%0 Journal Article %A Zassenhaus, Hans %T On a Normal Form of the Orthogonal Transformation I %J Canadian mathematical bulletin %D 1958 %P 31-39 %V 1 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1958-006-4/ %R 10.4153/CMB-1958-006-4 %F 10_4153_CMB_1958_006_4