Maoan Han, Guanrong Chen, Chengjun Sun. On the Number of Limit Cycles in Near-Hamiltonian Polynomial Systems. I. J. Bifurcation and Chaos, 17(6):2033-2047, 2007. [doi]
@article{HanCS07,
title = {On the Number of Limit Cycles in Near-Hamiltonian Polynomial Systems},
author = {Maoan Han and Guanrong Chen and Chengjun Sun},
year = {2007},
doi = {10.1142/S0218127407018208},
url = {http://dx.doi.org/10.1142/S0218127407018208},
researchr = {https://researchr.org/publication/HanCS07},
cites = {0},
citedby = {0},
journal = {I. J. Bifurcation and Chaos},
volume = {17},
number = {6},
pages = {2033-2047},
}