Kelk, Steven, and Ruben Meuwese. “Sharp Upper and Lower Bounds on a Restricted Class of Convex Characters”. The Electronic Journal of Combinatorics 29, no. 1 (March 11, 2022): #P1.50. Accessed May 28, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v29i1p50.