BEIERLE, C.; CANTEAUT, A.; LEANDER, G. Nonlinear Approximations in Cryptanalysis Revisited. IACR Transactions on Symmetric Cryptology, [S. l.], v. 2018, n. 4, p. 80–101, 2018. DOI: 10.13154/tosc.v2018.i4.80-101. Disponível em: https://tosc.iacr.org/index.php/ToSC/article/view/7362. Acesso em: 29 may. 2023.