Maoan Han, Jibin Li, Chengzhi Li. Limit cycles of planar polynomial vector fields. Scholarpedia, 5(8):9648, 2010. [doi]
@article{HanLL10-0,
title = {Limit cycles of planar polynomial vector fields},
author = {Maoan Han and Jibin Li and Chengzhi Li},
year = {2010},
doi = {10.4249/scholarpedia.9648},
url = {http://dx.doi.org/10.4249/scholarpedia.9648},
researchr = {https://researchr.org/publication/HanLL10-0},
cites = {0},
citedby = {0},
journal = {Scholarpedia},
volume = {5},
number = {8},
pages = {9648},
}