Božilov, Dušan, Begül Bilgin, and Hacı Ali Sahin. “A Note on 5-Bit Quadratic Permutations’ Classification”. IACR Transactions on Symmetric Cryptology 2017, no. 1 (March 8, 2017): 398–404. Accessed January 18, 2025. https://er.ceres.rub.de/index.php/ToSC/article/view/601.