Plis, A. Measurable orientor fields. (English) Zbl 0138.34103 Bull. Acad. Pol. Sci., Sér. Sci. Math. Astron. Phys. 13, 565-569 (1965). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 6 Documents Keywords:ordinary differential equations PDF BibTeX XML Cite \textit{A. Plis}, Bull. Acad. Pol. Sci., Sér. Sci. Math. Astron. Phys. 13, 565--569 (1965; Zbl 0138.34103)