![](/img/cover-not-exists.png)
Perturbation to Lie symmetry and adiabatic invariants for Birkhoffian systems on time scales
Zhang, Yi, Zhai, Xiang-HuaLanguage:
english
Journal:
Communications in Nonlinear Science and Numerical Simulation
DOI:
10.1016/j.cnsns.2019.04.005
Date:
April, 2019
File:
PDF, 968 KB
english, 2019