1. Prefixes of infinite words and ambiguous context-free languages;Autebert;Inform. Process. Lett.,1987
2. Iterated GSM's and co-CFL;Autebert;Acta Inform.,1989
3. Thin homogeneous sets of factors;Beauquier,1986
4. Minimal automaton of a rational cover;Beauquier,1987
5. About rational sets of factors of a bi-infinite word;Beauquier,1985