TY - JOUR AU - Carlson, R. E. AU - Cullen, C. G. TI - Commutativity for Matrices of Quaternions JO - Canadian journal of mathematics PY - 1968 SP - 21 EP - 24 VL - 20 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1968-003-8/ DO - 10.4153/CJM-1968-003-8 ID - 10_4153_CJM_1968_003_8 ER -