Wu, Kesheng; Zhang, Xiang Darboux polynomials and rational first integrals of the generalized Lorenz systems. (English. French) Zbl 1246.34018 Bull. Sci. Math. 136, No. 3, 291-308 (2012). Reviewer: Douglas S. Shafer (Charlotte) MSC: 34A34 34C20 34C41 34A05 PDFBibTeX XMLCite \textit{K. Wu} and \textit{X. Zhang}, Bull. Sci. Math. 136, No. 3, 291--308 (2012; Zbl 1246.34018) Full Text: DOI
Liu, Changjian; Wu, Hao; Yang, Jiazhong The Kowalevskaya exponents and rational integrability of polynomial differential systems. (English) Zbl 1105.34001 Bull. Sci. Math. 130, No. 3, 234-245 (2006). Reviewer: Maite Grau (Lleida) MSC: 34A05 34C14 37C10 34C05 34C07 PDFBibTeX XMLCite \textit{C. Liu} et al., Bull. Sci. Math. 130, No. 3, 234--245 (2006; Zbl 1105.34001) Full Text: DOI
Li, Weigu; Llibre, Jaume; Zhang, Xiang Planar analytic vector fields with generalized rational first integrals. (English) Zbl 1032.34029 Bull. Sci. Math. 125, No. 5, 341-361 (2001). Reviewer: Natalia Medvedeva (Chelyabinsk) MSC: 34C05 34M35 PDFBibTeX XMLCite \textit{W. Li} et al., Bull. Sci. Math. 125, No. 5, 341--361 (2001; Zbl 1032.34029) Full Text: DOI