Zhilevich, L. I. Separatrizes and limit cycles of certain differential equations. (Russian) Zbl 0227.34022 Differ. Uravn. 7, 782-790 (1971). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Document MSC: 34C05 Topological structure of integral curves, singular points, limit cycles of ordinary differential equations 34C25 Periodic solutions to ordinary differential equations PDF BibTeX XML Cite \textit{L. I. Zhilevich}, Differ. Uravn. 7, 782--790 (1971; Zbl 0227.34022) OpenURL