TY - JOUR AU - Levitzki, Jakob TI - On the equivalence of the nilpotent elements of a semi simple ring JO - Compositio Mathematica PY - 1938 SP - 392 EP - 402 VL - 5 PB - Johnson Reprint Corporation UR - http://www.numdam.org/item/CM_1938__5__392_0/ LA - en ID - CM_1938__5__392_0 ER -