Hong, Xiaochun; Ma, Rui; Wang, Bin Estimation of the number of zeros of Abelian integrals of a class of quadratic reversible system. (Chinese. English summary) Zbl 1349.34106 Math. Pract. Theory 45, No. 5, 270-276 (2015). MSC: 34C08 34C14 PDFBibTeX XMLCite \textit{X. Hong} et al., Math. Pract. Theory 45, No. 5, 270--276 (2015; Zbl 1349.34106)
Li, Ming The monotonicity of period function for a class of quadratic reversible systems. (Chinese. English summary) Zbl 1199.34198 Math. Pract. Theory 38, No. 15, 225-230 (2008). MSC: 34C25 PDFBibTeX XMLCite \textit{M. Li}, Math. Pract. Theory 38, No. 15, 225--230 (2008; Zbl 1199.34198)