Borsuk, Karol Zur kombinatorischen Eigenschaft der Retrakte. (German) Zbl 0008.13203 Fundam. Math. 21, 91-98 (1933). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Document Keywords:topology PDFBibTeX XMLCite \textit{K. Borsuk}, Fundam. Math. 21, 91--98 (1933; Zbl 0008.13203) Full Text: DOI EuDML