Mostert, P. S. Comments on some Wallace’s problems on topological semi-groups. (English) Zbl 0154.26502 Colloq. Math. 10, 221-225 (1963). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Keywords:generalized groups, semigroups PDFBibTeX XMLCite \textit{P. S. Mostert}, Colloq. Math. 10, 221--225 (1963; Zbl 0154.26502) Full Text: DOI EuDML