Géraud Sénizergues. Some Undecidable Termination Problems for Semi-Thue Systems (Abstract). In Claude Kirchner, editor, Rewriting Techniques and Applications, 5th International Conference, RTA-93, Montreal, Canada, June 16-18, 1993, Proceedings. Volume 690 of Lecture Notes in Computer Science, pages 434, Springer, 1993.
Abstract is missing.