中国科学院数学与系统科学研究院期刊网
Exponential gradient strategy for online portfolio with side information
YANG Xingyu, HE Jin'an, ZHANG Yong, ZHANG Weiguo
Systems Engineering - Theory & Practice . 2019, (1): 60 -69 .  DOI: 10.12011/1000-6788-2017-1669-10