Junmin Yang, Wei Ding. Limit cycles of a class of Liénard systems with restoring forces of seventh degree. Applied Mathematics and Computation, 316:422-437, 2018. [doi]
@article{YangD18,
title = {Limit cycles of a class of Liénard systems with restoring forces of seventh degree},
author = {Junmin Yang and Wei Ding},
year = {2018},
doi = {10.1016/j.amc.2017.08.008},
url = {https://doi.org/10.1016/j.amc.2017.08.008},
researchr = {https://researchr.org/publication/YangD18},
cites = {0},
citedby = {0},
journal = {Applied Mathematics and Computation},
volume = {316},
pages = {422-437},
}