中国科学院数学与系统科学研究院期刊网
The Extended Grey GM(2, 1, Σexp(ct)) Model and Its Application in the Predictions
Maolin CHENG, Bin LIU
Journal of Systems Science and Information . 2023, (2): 245 -263 .  DOI: 10.21078/JSSI-2023-245-19