中国科学院数学与系统科学研究院期刊网
Time-varying forecast averaging for air passengers in China
ZHANG Jian, SUN Yuying, ZHANG Xinyu, WANG Shouyang
Systems Engineering - Theory & Practice . 2020, (6): 1509 -1519 .  DOI: 10.12011/1000-6788-2020-0443-11