Nils Klarlund, Michael I. Schwartzbach. Graphs and Decidable Transductions Based on Edge Constraints (Extended Abstract). In Sophie Tison, editor, Trees in Algebra and Programming - CAAP 94, 19th International Colloquium, Edinburgh, U.K., April 11-13, 1994, Proceedings. Volume 787 of Lecture Notes in Computer Science, pages 187-201, Springer, 1994.
Abstract is missing.