Shao, Yi; Chunxiang, A. Quadratic perturbations of a class of quadratic reversible Lotka-Volterra systems. (English) Zbl 1275.34054 Int. J. Bifurcation Chaos Appl. Sci. Eng. 23, No. 8, Article ID 1350137, 8 p. (2013). MSC: 34C23 34C05 34C08 34D10 34C14 PDFBibTeX XMLCite \textit{Y. Shao} and \textit{A. Chunxiang}, Int. J. Bifurcation Chaos Appl. Sci. Eng. 23, No. 8, Article ID 1350137, 8 p. (2013; Zbl 1275.34054) Full Text: DOI
Shao, Yi; Zhao, Yulin The cyclicity of the period annulus of a class of quadratic reversible system. (English) Zbl 1272.34049 Commun. Pure Appl. Anal. 11, No. 3, 1269-1283 (2012). Reviewer: Iliya Iliev (Sofia) MSC: 34C23 34C08 34C07 34C14 PDFBibTeX XMLCite \textit{Y. Shao} and \textit{Y. Zhao}, Commun. Pure Appl. Anal. 11, No. 3, 1269--1283 (2012; Zbl 1272.34049) Full Text: DOI
Shao, Yi; Zhao, Yulin The cyclicity of a class of quadratic reversible system of genus one. (English) Zbl 1279.34047 Chaos Solitons Fractals 44, No. 10, 827-835 (2011). Reviewer: Iliya Iliev (Sofia) MSC: 34C08 34C07 34C23 34C05 PDFBibTeX XMLCite \textit{Y. Shao} and \textit{Y. Zhao}, Chaos Solitons Fractals 44, No. 10, 827--835 (2011; Zbl 1279.34047) Full Text: DOI Link
Shao, Yi; Zhao, Yulin The cyclicity and period function of a class of quadratic reversible Lotka-Volterra system of genus one. (English) Zbl 1219.34044 J. Math. Anal. Appl. 377, No. 2, 817-827 (2011). Reviewer: Josef Hainzl (Freiburg) MSC: 34C07 34C05 34C08 34C23 PDFBibTeX XMLCite \textit{Y. Shao} and \textit{Y. Zhao}, J. Math. Anal. Appl. 377, No. 2, 817--827 (2011; Zbl 1219.34044) Full Text: DOI
Shao, Yi; Zhao, Yulin The number of zeros of Abelian integrals for a class of plane quadratic systems with two centres. (Chinese. English summary) Zbl 1121.34319 Acta Math. Sin., Chin. Ser. 50, No. 2, 451-460 (2007). MSC: 34C07 34C08 34C10 PDFBibTeX XMLCite \textit{Y. Shao} and \textit{Y. Zhao}, Acta Math. Sin., Chin. Ser. 50, No. 2, 451--460 (2007; Zbl 1121.34319)