@article{01656487, title = {Geometric properties of composition operators belonging to Schatten classes.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {25}, year = {2001}, pages = {239-248}, doi = {10.1155/S0161171201003726}, zbl = {0996.47034}, language = {en}, url = {http://dml.mathdoc.fr/item/01656487} }
Zhu, Yongsheng. Geometric properties of composition operators belonging to Schatten classes.. International Journal of Mathematics and Mathematical Sciences, Tome 25 (2001) pp. 239-248. doi : 10.1155/S0161171201003726. http://gdmltest.u-ga.fr/item/01656487/