de Carvalho, J. B.; Tamari, D. Sur l’associativité partielle des symétrisations de sémi-groupes. (French) Zbl 0113.25101 Port. Math. 21, 157-169 (1962); Erratum. Ibid. 22, 117 (1963). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Keywords:group theory PDF BibTeX XML Cite \textit{J. B. de Carvalho} and \textit{D. Tamari}, Port. Math. 21, 157--169 (1963; Zbl 0113.25101) Full Text: EuDML OpenURL