Robert Knast, Jacek Martinek. Reading Functions and an Extension of Kleene Theorem for some Families of Languages. In Marek Karpinski, editor, Fundamentals of Computation Theory, Proceedings of the 1977 International FCT-Conference, Poznan-Kórnik, Poland, September 19-23, 1977. Volume 56 of Lecture Notes in Computer Science, pages 127-134, Springer, 1977.
Abstract is missing.