中国科学院数学与系统科学研究院期刊网
Causality Analysis of Futures Sugar Prices in Zhengzhou Based on Graphical Models for Multivariate Time Series
Jing XU, Xing-wei TONG
Acta Mathematicae Applicatae Sinica(English Series) . 2016, (1): 129 -136 .  DOI: 10.1007/s10255-016-0543-3