Pieri, Jean-Francois \(\Gamma\)-demi-groupes et \(2\Omega\Gamma\)-demi-groupes. (French) Zbl 0388.20047 Théorie des Demi-groupes, Sémin. P. Lefebvre, Ann. 1968-69, Exposé No. 15, 11 p. (1969). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 20M10 General structure theory for semigroups 06F05 Ordered semigroups and monoids PDFBibTeX XML