Lutz Priese. Finite Automata on Unranked and Unordered DAGs. In Tero Harju, Juhani Karhumäki, Arto Lepistö, editors, Developments in Language Theory, 11th International Conference, DLT 2007, Turku, Finland, July 3-6, 2007, Proceedings. Volume 4588 of Lecture Notes in Computer Science, pages 346-360, Springer, 2007. [doi]
Abstract is missing.