Lévy-Bruhl, Jacques Produit symetrise. (French) Zbl 0282.08001 Algebre Theorie Nombres, Sem. P. Dubreil, M.-L. Dubreil-Jacotin et C. Pisot 14(1960/61), No. 4, 13 p. (1963). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 08B20 Free algebras PDF BibTeX XML Full Text: Numdam EuDML OpenURL