%0 Journal Article %A D. S. Shirokov %T Theorem on the norm of elements of spinor groups %J Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences %D 2011 %P 165-171 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VSGTU_2011_1_a21/ %G ru %F VSGTU_2011_1_a21