Yoshinori Shigeta, Kiyoshi Akama, Hidekatsu Koike, Hiroshi Mabuchi. Unreachability for a Class of Rewriting Systems using Two Homomorphisms. In M. K. Hamza, editor, Artificial Intelligence and Soft Computing, July 24-26, 2000, Banff, Alberta, Canada. pages 494-500, IASTED/ACTA Press, 2000.
Abstract is missing.