Hasík, Karel Uniqueness of limit cycle in the predator-prey system with symmetric prey isocline. (English) Zbl 0952.92021 Math. Biosci. 164, No. 2, 203-215 (2000). MSC: 92D25 34C05 PDF BibTeX XML Cite \textit{K. Hasík}, Math. Biosci. 164, No. 2, 203--215 (2000; Zbl 0952.92021) Full Text: DOI OpenURL
Huang, Xun-Cheng; Merrill, Stephen J. Conditions for uniqueness of limit cycles in general predator-prey systems. (English) Zbl 0676.92008 Math. Biosci. 96, No. 1, 47-60 (1989). MSC: 92D25 34C05 PDF BibTeX XML Cite \textit{X.-C. Huang} and \textit{S. J. Merrill}, Math. Biosci. 96, No. 1, 47--60 (1989; Zbl 0676.92008) Full Text: DOI OpenURL
Kuang, Yang; Freedman, H. I. Uniqueness of limit cycles in Gause-type models of predator-prey systems. (English) Zbl 0642.92016 Math. Biosci. 88, No. 1, 67-84 (1988). MSC: 92D25 34C05 PDF BibTeX XML Cite \textit{Y. Kuang} and \textit{H. I. Freedman}, Math. Biosci. 88, No. 1, 67--84 (1988; Zbl 0642.92016) Full Text: DOI OpenURL