TY - JOUR AU - D. S. Shirokov TI - Contractions on ranks and quaternion types in Clifford algebras JO - Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences PY - 2015 SP - 117 EP - 135 VL - 19 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VSGTU_2015_19_1_a7/ LA - ru ID - VSGTU_2015_19_1_a7 ER -