Lasota, A.; Opial, Z. An application of the Kakutani-Ky Fan theorem in the theory of ordinary differential equations. (English) Zbl 0151.10703 Bull. Acad. Pol. Sci., Sér. Sci. Math. Astron. Phys. 13, 781-786 (1965). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 353 Documents Keywords:ordinary differential equations PDFBibTeX XMLCite \textit{A. Lasota} and \textit{Z. Opial}, Bull. Acad. Pol. Sci., Sér. Sci. Math. Astron. Phys. 13, 781--786 (1965; Zbl 0151.10703)