Doyle, P. H.; Warne, R. J. Some properties of groupoids. (English) Zbl 0128.02704 Am. Math. Mon. 70, 1051-1057 (1963). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Document Keywords:group theory PDF BibTeX XML Cite \textit{P. H. Doyle} and \textit{R. J. Warne}, Am. Math. Mon. 70, 1051--1057 (1963; Zbl 0128.02704) Full Text: DOI OpenURL