Holmes, J. P. Rees products in differentiable semigroups. (English) Zbl 0498.22002 Semigroup Forum 24, 145-152 (1982). MSC: 22A20 PDFBibTeX XMLCite \textit{J. P. Holmes}, Semigroup Forum 24, 145--152 (1982; Zbl 0498.22002) Full Text: DOI EuDML
Cohen, Haskell Compact connected semilattices without the fixed point property. (English) Zbl 0275.54035 Semigroup Forum 7, 375-379 (1974). MSC: 54H25 22A99 54F05 06B05 20M99 PDFBibTeX XMLCite \textit{H. Cohen}, Semigroup Forum 7, 375--379 (1974; Zbl 0275.54035) Full Text: DOI EuDML