@article{PDML_1984___6B_A4_0,
     author = {Berstel, J.},
     title = {Mots infinis},
     journal = {Publications du D\'epartement de math\'ematiques (Lyon)},
     pages = {89--102},
     publisher = {Universit\'e Claude Bernard - Lyon 1},
     number = {6B},
     year = {1984},
     mrnumber = {802633},
     zbl = {0542.68068},
     language = {fr},
     url = {http://www.numdam.org/item/PDML_1984___6B_A4_0/}
}