Grillet, Pierre Antoine Primary semigroups. (English) Zbl 0271.20032 Semigroup Forum 4, 237-241 (1972). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Document MSC: 20M10 General structure theory for semigroups PDFBibTeX XMLCite \textit{P. A. Grillet}, Semigroup Forum 4, 237--241 (1972; Zbl 0271.20032) Full Text: DOI EuDML