D’Adhemar, C. Quelques classes de groupoides non-associatifs. (French) Zbl 0264.20041 Math. et Sci. humaines No. 31, 17-31 (1970). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 Documents MSC: 20L05 Groupoids (i.e. small categories in which all morphisms are isomorphisms) PDFBibTeX XML Full Text: Numdam EuDML