%0 Journal Article %A Juntao Du %A Songxiao Li %A Yanhua Zhang %T Essential norm of generalized composition operators on Zygmund type spaces and Bloch type spaces %J Annales Polonici Mathematici %D 2017 %P 107-119 %V 119 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap170405-12-7/ %R 10.4064/ap170405-12-7 %G en %F 10_4064_ap170405_12_7