1. Characterizations of the decidability of some problems for regular trace languages;Aalbersberg;Math. Systems Theory,1989
2. Theory of Codes;Berstel,1985
3. Equivalence and membership problems for regular trace languages;Bertoni,1982
4. Coding with traces;Bruyère,1994
5. Problèmes combinatoires de commutation et réarrangements;Cartier,1969