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- [2] NewApproxi mation of Differential Entropy for Independent Component Anal-ysis and Projection Pursuit .2 Hyvarinen,A. Advances in Neural Information Processing System . 1998
- [3] Do Bulls and Bears Moveacross Borders?International Transmission of Stock Returnsand Volatility .2 Lin W,Engle R.F,Ito T. Review of Financial Studies . 1994