TY - JOUR AU - Hu, Yao-Zhong TI - On the differentiability of functions of an operator JO - Séminaire de probabilités de Strasbourg PY - 1995 SP - 218 EP - 219 VL - 29 PB - Springer - Lecture Notes in Mathematics UR - http://www.numdam.org/item/SPS_1995__29__218_0/ LA - en ID - SPS_1995__29__218_0 ER -