%0 Journal Article %A Chacron, M. %T Unitaries in Simple Artinian Rings %J Canadian journal of mathematics %D 1979 %P 542-557 %V 31 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1979-057-1/ %R 10.4153/CJM-1979-057-1 %F 10_4153_CJM_1979_057_1