1L.M.Abramov,V.A.Rohlin.Entropy of a skew product transformation with invariant measure[].AMSTransl Series.1965
2W.C.Cheng,S.Newhouse.Pre-image entropy[].Ergodic Theory DynamSystems.2005
3W.C.Cheng.Forward generator for preimage entropy[].Pacific Journal of Mathematics.2006
4F.Ledrappier,P.Walters.A relativised variational principle for continuous transformations[].Journal of the London Mathematical Society.1977
5P.Walters.Differentiability Properties of The Pressure of A Continuous Transformation on A Compact Metric Space[].Journal of the London Mathematical Society.1992
6Walters P.An introduction to ergodic theory[]..1982
