Geodesic
Groupes with free 2-generator subsemigroups.
Semigroup forum, Tome 25 (1982), pp. 135-144.

Voir la notice de l'article provenant de la source European Digital Mathematics Library

Mots-clés : wreath product, free group, free subsemigroup 
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     author = {G. Baumslag and Y. Roitberg},
     title = {Groupes with free 2-generator subsemigroups.},
     journal = {Semigroup forum},
     pages = {135--144},
     publisher = {mathdoc},
     volume = {25},
     year = {1982},
     zbl = {0494.20014},
     url = {http://geodesic.mathdoc.fr/item/SF_1982__25_134568/}
}
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G. Baumslag; Y. Roitberg. Groupes with free 2-generator subsemigroups.. Semigroup forum, Tome 25 (1982), pp. 135-144. http://geodesic.mathdoc.fr/item/SF_1982__25_134568/