Kizhakkepallathu, Ashik Mathew, Patric RJ Östergård, and Alexandru Popa. “On the Shannon Capacity of Triangular Graphs”. The Electronic Journal of Combinatorics 20, no. 2 (May 9, 2013): P27. Accessed March 17, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v20i2p27.