Limit Cycle bifurcations from Centers of Symmetric Hamiltonian Systems perturbed by cubic polynomials

Zhaoping Hu, Bin Gao, Valery G. Romanovski. Limit Cycle bifurcations from Centers of Symmetric Hamiltonian Systems perturbed by cubic polynomials. I. J. Bifurcation and Chaos, 23(3), 2013. [doi]

Abstract

Abstract is missing.