Eilenberg, Samuel; MacLane, Saunders General theory of natural equivalences. (English) Zbl 0061.09204 Trans. Am. Math. Soc. 58, 231-294 (1945). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 6 ReviewsCited in 85 Documents Keywords:set theory PDF BibTeX XML Cite \textit{S. Eilenberg} and \textit{S. MacLane}, Trans. Am. Math. Soc. 58, 231--294 (1945; Zbl 0061.09204) Full Text: DOI Link