Lina Guo, Changjian Liu. The isochronous centers for Kukles homogeneous system of degree nine. Appl. Math. Lett., 118:107177, 2021. [doi]
@article{GuoL21-5,
title = {The isochronous centers for Kukles homogeneous system of degree nine},
author = {Lina Guo and Changjian Liu},
year = {2021},
doi = {10.1016/j.aml.2021.107177},
url = {https://doi.org/10.1016/j.aml.2021.107177},
researchr = {https://researchr.org/publication/GuoL21-5},
cites = {0},
citedby = {0},
journal = {Appl. Math. Lett.},
volume = {118},
pages = {107177},
}