Donald Sannella, Andrzej Tarlecki. On Normal Forms for Structured Specifications with Generating Constraints. In Reiko Heckel, Gabriele Taentzer, editors, Graph Transformation, Specifications, and Nets - In Memory of Hartmut Ehrig. Volume 10800 of Lecture Notes in Computer Science, pages 266-284, Springer, 2018. [doi]
Abstract is missing.