9[2]Lai Kin Keung,Yu Lean,Wang Shouyang.Hybridizing exponential smoothing and neural network for financial time series predication[J].Lecture Notes in Computer Science.2006,3994:493-500.
10Bates J M, Granger C W J. Combination of forecasts [J].Operations Research Quarterly, 1969, 20(40) :451-468.