Kan, Daniel M. A combinatorial definition of homotopy groups. (English) Zbl 0091.36901 Ann. Math. (2) 67, 282-312 (1958). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 ReviewsCited in 62 Documents Keywords:topology PDF BibTeX XML Cite \textit{D. M. Kan}, Ann. Math. (2) 67, 282--312 (1958; Zbl 0091.36901) Full Text: DOI OpenURL