Matthias Jantzen.
A note on a special one-rule semi-Thue system.
Information Processing Letters, 21:135-140, 1985.
@article{Jantzen85,
Author = {Jantzen, Matthias},
Journal = {Information Processing Letters},
Pages = {135--140},
Title = {A note on a special one-rule semi-{Thue} system},
Volume = 21,
Year = 1985
}