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Research on the Poincaré center-focus problem of some cubic differential systems by using a new method

Crossref DOI link: https://doi.org/10.1186/s13662-017-1107-4

Published Online: 2017-02-16

Published Print: 2017-12

Update policy: https://doi.org/10.1007/springer_crossmark_policy

Authors

Zhou, Zhengxin https://orcid.org/0000-0002-7524-5315
Mao, Fangfang

Yan, Yuexin
Funding

Funding for this research was provided by:

NSF of Jiangsu (Bk20161327)

NSF of China (61374010, 11571301)
License Information

License valid from 2017-02-16