2STEEK L. Evaluating the technical operation [ J ]. Re- search Management, 1994 (10) : 1 - 18.
3ZITZLER E, DEB K, THIELE L. Comparison of multi - objective evolutionary algorithms : empirical results [ J ]. Evolutionary Computation ,2000,8 (2) : 173 - 195.
4SHINTANI M, LINTON O. Nonparametric neutral network estimation of lyapunov exponents and a direct test for chaos [ J ]. Journal of Econometrics, 2004,120 (1) :1 -33.