中国科学院数学与系统科学研究院期刊网
Isometric Composition Operators on the Bloch Type Space in the Polydisk
Zhong Shan FANG, Ze Hua ZHOU
Acta Mathematica Sinica, Chinese Series . 2012, (2): 273 -280 .  DOI: 10.12386/A2012sxxb0027