TY - JOUR AU - D. N. Ivanov TI - An analogue of a theorem of Wagner for orthogonal decompositions of the matrix algebra JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1994 SP - 237 EP - 238 VL - 49 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1994_49_1_a12/ LA - en ID - RM_1994_49_1_a12 ER -