Schwartz, Arthur J. A generalization of a Poincaré-Bendixson theorem to closed two- dimensional manifolds. (English) Zbl 0116.06803 Am. J. Math. 85, 453-458 (1963); Errata Ibid. 85, 753 (1963). Page: Show Scanned Page Cited in 56 Documents Keywords:ordinary differential equations PDF BibTeX XML Cite \textit{A. J. Schwartz}, Am. J. Math. 85, 453--458 (1963; Zbl 0116.06803) Full Text: DOI OpenURL