%0 Journal Article %A Jie Xiao %T Composition operators: $N_α$ to the Bloch space to $Q_β$ %J Studia Mathematica %D 2000 %P 245-260 %V 139 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-139-3-245-260/ %R 10.4064/sm-139-3-245-260 %G en %F 10_4064_sm_139_3_245_260