中国科学院数学与系统科学研究院期刊网
An Empirical Study on the Relation between Stock Return and Volatility in the China Stock Markets
Gong Meng CHEN;Oliver M Rui
Systems Engineering - Theory & Practice . 2003, (10): 12 -21 .  DOI: 10.12011/1000-6788(2003)10-12