1. Theory of traces;Aalbersberg;Theoret. Comput. Sci.,1988
2. Traces, dependency graphs and D.N.L.C. grammars;Aalbersberg;Discrete Appl. Math.,1985
3. Categories of asynchronous systems;Bednarczyk,1987
4. Recent results in the theory of rational sets;Berstel,1986
5. Problèmes combinatoires de commutation et de réarangements;Cartier,1969