Dieter Hofbauer, Maria Huber. Test Sets for the Universal and Existential Closure of Regular Tree Languages. In Paliath Narendran, Michaël Rusinowitch, editors, Rewriting Techniques and Applications, 10th International Conference, RTA-99, Trento, Italy, July 2-4, 1999, Proceedings. Volume 1631 of Lecture Notes in Computer Science, pages 205-219, Springer, 1999. [doi]
Abstract is missing.