Pei Yu, Maoan Han. Eight Limit cycles around a Center in quadratic Hamiltonian System with Third-Order perturbation. I. J. Bifurcation and Chaos, 23(1), 2013. [doi]
@article{YuH13-3,
title = {Eight Limit cycles around a Center in quadratic Hamiltonian System with Third-Order perturbation},
author = {Pei Yu and Maoan Han},
year = {2013},
doi = {10.1142/S0218127413500053},
url = {http://dx.doi.org/10.1142/S0218127413500053},
researchr = {https://researchr.org/publication/YuH13-3},
cites = {0},
citedby = {0},
journal = {I. J. Bifurcation and Chaos},
volume = {23},
number = {1},
}