中国科学院数学与系统科学研究院期刊网
Ambiguity and international portfolio choice
ZHANG Shunming, WANG Yanyi, CHEN Zhixian, Ibrayim Basit
Systems Engineering - Theory & Practice . 2016, (10): 2465 -2476 .  DOI: 10.12011/1000-6788(2016)10-2465-12