TY - JOUR AU - Chacron, M. TI - On a Theorem of Herstein JO - Canadian journal of mathematics PY - 1969 SP - 1348 EP - 1353 VL - 21 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-148-5/ DO - 10.4153/CJM-1969-148-5 ID - 10_4153_CJM_1969_148_5 ER -