Jiang, Jiao; Han, Maoan Small-amplitude limit cycles of some Liénard-type systems. (English) Zbl 1279.34046 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 71, No. 12, 6373-6377 (2009). Reviewer: Klaus R. Schneider (Berlin) MSC: 34C07 34C05 34C23 PDFBibTeX XMLCite \textit{J. Jiang} and \textit{M. Han}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 71, No. 12, 6373--6377 (2009; Zbl 1279.34046) Full Text: DOI
Jiang, J.; Han, M.; Yu, P.; Lynch, S. Limit cycles in two types of symmetric Liénard systems. (English) Zbl 1151.34312 Int. J. Bifurcation Chaos Appl. Sci. Eng. 17, No. 6, 2169-2174 (2007). Reviewer: Alexander Grin (Grodno) MSC: 34C07 34C05 34C23 PDFBibTeX XMLCite \textit{J. Jiang} et al., Int. J. Bifurcation Chaos Appl. Sci. Eng. 17, No. 6, 2169--2174 (2007; Zbl 1151.34312) Full Text: DOI