1. Iterative algebras at work;Adámek;Math. Structures Comput. Sci.,2006
2. On the equivalence of Z-automata;Béal,2005
3. Conjugacy and equivalence of weighted automata and functional transducers;Béal,2006
4. Iterative and recursive matrix theories;Benson;J. Algebra,1984
5. A complete inference system for regular processes with silent moves;Bergstra,1988