Pierce, R. S. Symmetric groupoids. (English) Zbl 0395.20033 Osaka J. Math. 15, 51-76 (1978). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 ReviewsCited in 5 Documents MSC: 20L05 Groupoids (i.e. small categories in which all morphisms are isomorphisms) Keywords:Groups Generated By Involutions; Category of Symmetric Groupoids PDF BibTeX XML Cite \textit{R. S. Pierce}, Osaka J. Math. 15, 51--76 (1978; Zbl 0395.20033)