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"Four basic models of GM(1, 1) and their suitable sequences."
Sifeng Liu et al. (2015)
- Sifeng Liu, Bo Zeng, Jie-Fang Liu, Naiming Xie, Yingjie Yang:
Four basic models of GM(1, 1) and their suitable sequences. Grey Syst. Theory Appl. 5(2): 141-156 (2015)
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