Lynch, S.; Christopher, C. J. Limit cycles in highly non-linear differential equations. (English) Zbl 1235.34098 J. Sound Vib. 224, No. 3, 505-517 (1999). MSC: 34C05 PDFBibTeX XMLCite \textit{S. Lynch} and \textit{C. J. Christopher}, J. Sound Vib. 224, No. 3, 505--517 (1999; Zbl 1235.34098) Full Text: DOI
Lynch, S. Small amplitude limit cycles of the generalized mixed Rayleigh-Liénard oscillator. (English) Zbl 1237.34037 J. Sound Vib. 178, No. 5, 615-620 (1994). MSC: 34C05 70K99 34C15 PDFBibTeX XMLCite \textit{S. Lynch}, J. Sound Vib. 178, No. 5, 615--620 (1994; Zbl 1237.34037) Full Text: DOI