Friedhelm Hinz. Questions of Decidability for Context-free Chain Code Picture Languages. In Jürgen Dassow, Jozef Kelemen, editors, Machines, Languages, and Complexity, 5th International Meeting of Young Computer Scientists, Smolenice, Czechoslovakia, November 14-18, 1988, Proceedings. Volume 381 of Lecture Notes in Computer Science, pages 2-11, Springer, 1988.
Abstract is missing.