Media type: E-Article Title: Zur kombinatorischen Eigenschaften der Retrakte Contributor: Borsuk, Karol Published: Institute of Mathematics, Polish Academy of Sciences, 1933 Published in: Fundamenta Mathematicae, 21 (1933), Seite 91-98 Language: English DOI: 10.4064/fm-21-1-91-98 ISSN: 0016-2736; 1730-6329 Keywords: Algebra and Number Theory Origination: Footnote: Access State: Open Access