Uwe Wolter, Zinovy Diskin, Harald König. Graph Operations and Free Graph Algebras. 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 313-331, Springer, 2018. [doi]
Abstract is missing.