TY - JOUR AU - Tsui, Sze-Kai TI - Compact Derivations on Von Neumann Algebras JO - Canadian mathematical bulletin PY - 1981 SP - 87 EP - 90 VL - 24 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1981-013-x/ DO - 10.4153/CMB-1981-013-x ID - 10_4153_CMB_1981_013_x ER -