Existence and multiplicity of periodic solutions for a class of second-order ordinary differential equations
Crossref DOI link: https://doi.org/10.1007/s00605-020-01465-w
Published Online: 2020-09-22
Published Print: 2020-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Han, Xiaoling
Yang, Hujun
Funding for this research was provided by:
National Natural Science Foundation of China (11561063)
Text and Data Mining valid from 2020-09-22
Version of Record valid from 2020-09-22
Article History
Received: 27 January 2020
Accepted: 15 September 2020
First Online: 22 September 2020