Luu, Hoang Duc Max Planck Institute for Mathematics in the Sciences, Max Planck Society;
Luu, H. D., & Siegmund, S. (2018). A concept of local metric entropy for finite-time nonautonomous dynamical systems. Journal of difference equations and applications, 24(2), 165-179. doi:10.1080/10236198.2016.1267154.