%0 Journal Article %A Carlson, R. E. %A Cullen, C. G. %T Commutativity for Matrices of Quaternions %J Canadian journal of mathematics %D 1968 %P 21-24 %V 20 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1968-003-8/ %R 10.4153/CJM-1968-003-8 %F 10_4153_CJM_1968_003_8