TY - JOUR AU - Chacron, M. TI - Unitaries in Simple Artinian Rings JO - Canadian journal of mathematics PY - 1979 SP - 542 EP - 557 VL - 31 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1979-057-1/ DO - 10.4153/CJM-1979-057-1 ID - 10_4153_CJM_1979_057_1 ER -