@article{VSGTU_2011_1_a21,
     author = {D. S. Shirokov},
     title = {Theorem on the norm of elements of spinor groups},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {165--171},
     publisher = {mathdoc},
     number = {1},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_2011_1_a21/}
}