Pelletier, Maxime, and Nicolas Ressayre. “Some Unexpected Properties of Littlewood-Richardson Coefficients”. The Electronic Journal of Combinatorics 29, no. 4 (October 21, 2022): #P4.11. Accessed May 26, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v29i4p11.