Langages de parenthèses, langages N.T.S. et homomorphismes inverses J.-M. Autebert, L. Boasson and G. Sénizergues RAIRO. Inform. théor., 18 4 (1984) 327-344 Published online: 01 February 2017 DOI: 10.1051/ita/1984180403271