A note on free subsemigroups with two generators
Blum, E. K.
Bull. Amer. Math. Soc., Tome 71 (1965) no. 6, p. 678-679 / Harvested from Project Euclid
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Publié le : 1965-07-14
Classification:  
@article{1183527246,
     author = {Blum, E. K.},
     title = {A note on free subsemigroups with two generators},
     journal = {Bull. Amer. Math. Soc.},
     volume = {71},
     number = {6},
     year = {1965},
     pages = { 678-679},
     language = {en},
     url = {http://dml.mathdoc.fr/item/1183527246}
}

Blum, E. K. A note on free subsemigroups with two generators. Bull. Amer. Math. Soc., Tome 71 (1965) no. 6, pp.  678-679. http://gdmltest.u-ga.fr/item/1183527246/