中国科学院数学与系统科学研究院期刊网
Analysis on the fluctuation mechanism of natural gas spot price in North America and its volatility prediction
SHI Huiting, CHAI Jian, LU Quanying, WANG Shouyang
Systems Engineering - Theory & Practice . 2021, (12): 3366 -3377 .  DOI: 10.12011/SETP2020-2828