Free semigroups of $2\times 2$ matrices.
Brenner, J. L. ; Charnow, A.
Pacific J. Math., Tome 79 (1978) no. 2, p. 57-69 / Harvested from Project Euclid
Publié le : 1978-05-14
Classification:  20M05
@article{1102806637,
     author = {Brenner, J. L. and Charnow, A.},
     title = {Free semigroups of $2\times 2$ matrices.},
     journal = {Pacific J. Math.},
     volume = {79},
     number = {2},
     year = {1978},
     pages = { 57-69},
     language = {en},
     url = {http://dml.mathdoc.fr/item/1102806637}
}
Brenner, J. L.; Charnow, A. Free semigroups of $2\times 2$ matrices.. Pacific J. Math., Tome 79 (1978) no. 2, pp.  57-69. http://gdmltest.u-ga.fr/item/1102806637/