Yuhai Wu, Yongxi Gao, Maoan Han. On the Number and Distributions of Limit Cycles in a quintic Planar Vector Field. I. J. Bifurcation and Chaos, 18(7):1939-1955, 2008. [doi]
@article{WuGH08,
title = {On the Number and Distributions of Limit Cycles in a quintic Planar Vector Field},
author = {Yuhai Wu and Yongxi Gao and Maoan Han},
year = {2008},
doi = {10.1142/S0218127408021464},
url = {http://dx.doi.org/10.1142/S0218127408021464},
researchr = {https://researchr.org/publication/WuGH08},
cites = {0},
citedby = {0},
journal = {I. J. Bifurcation and Chaos},
volume = {18},
number = {7},
pages = {1939-1955},
}