TY - JOUR AU - Lee, Tsiu-Kwen TI - Semiprime Rings with Hypercentral Derivations JO - Canadian mathematical bulletin PY - 1995 SP - 445 EP - 449 VL - 38 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1995-065-2/ DO - 10.4153/CMB-1995-065-2 ID - 10_4153_CMB_1995_065_2 ER -