Yang, Jihua; Zhang, Erli Zeros of abelian integral for a kind of Hamiltonian systems. (Chinese. English summary) Zbl 1449.34111 Acta Math. Sci., Ser. A, Chin. Ed. 39, No. 5, 1025-1032 (2019). MSC: 34C08 34C07 PDFBibTeX XMLCite \textit{J. Yang} and \textit{E. Zhang}, Acta Math. Sci., Ser. A, Chin. Ed. 39, No. 5, 1025--1032 (2019; Zbl 1449.34111)
Zhang, Erli; Xing, Yuqing Limit cycle bifurcations for a kind of Hamilton systems of degree three. (Chinese. English summary) Zbl 1399.37033 Acta Math. Sci., Ser. A, Chin. Ed. 37, No. 5, 825-833 (2017). MSC: 37J20 37G15 34C07 PDFBibTeX XMLCite \textit{E. Zhang} and \textit{Y. Xing}, Acta Math. Sci., Ser. A, Chin. Ed. 37, No. 5, 825--833 (2017; Zbl 1399.37033)
Yang, Jihua; Liu, Mei; He, Zhicheng The number of zeros of abelian integrals for a kind of quartic Hamiltonians with a nilpotent center. (Chinese. English summary) Zbl 1374.34095 Acta Math. Sci., Ser. A, Chin. Ed. 36, No. 5, 937-945 (2016). MSC: 34C08 34C05 37J40 PDFBibTeX XMLCite \textit{J. Yang} et al., Acta Math. Sci., Ser. A, Chin. Ed. 36, No. 5, 937--945 (2016; Zbl 1374.34095)