Kan, Daniel M. Abstract homotopy. III. (English) Zbl 0071.16801 Proc. Natl. Acad. Sci. USA 42, 419-421 (1956). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 3 ReviewsCited in 6 Documents MSC: 55Pxx Homotopy theory Keywords:topology Citations:Zbl 0065.38601; Zbl 0071.16702; Zbl 0071.16901 PDF BibTeX XML Cite \textit{D. M. Kan}, Proc. Natl. Acad. Sci. USA 42, 419--421 (1956; Zbl 0071.16801) Full Text: DOI OpenURL