%0 Journal Article %A Hu, Yao-Zhong %T On the differentiability of functions of an operator %J Séminaire de probabilités de Strasbourg %D 1995 %P 218-219 %V 29 %I Springer - Lecture Notes in Mathematics %U http://www.numdam.org/item/SPS_1995__29__218_0/ %G en %F SPS_1995__29__218_0