Frithjof Dau. Constants and Functions in Peirce s Existential Graphs. In Uta Priss, Simon Polovina, Richard Hill, editors, Conceptual Structures: Knowledge Architectures for Smart Applications, 15th International Conference on Conceptual Structures, ICCS 2007, Sheffield, UK, July 22-27, 2007, Proceedings. Volume 4604 of Lecture Notes in Computer Science, pages 429-442, Springer, 2007.
Abstract is missing.