McCann, Roger C. Planar dynamical systems without critical points. (English) Zbl 0228.54041 Funkc. Ekvacioj, Ser. Int. 13, 67-95 (1970). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 6 Documents MSC: 54H20 Topological dynamics (MSC2010) PDFBibTeX XMLCite \textit{R. C. McCann}, Funkc. Ekvacioj, Ser. Int. 13, 67--95 (1970; Zbl 0228.54041)