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 February 6, 2025. https://tches.iacr.org/index.php/ToSC/article/view/601.