PANDEY, S. K.; DASS, B. K. On Walsh Spectrum of Cryptographic Boolean Function. Defence Science Journal, [S. l.], v. 67, n. 5, p. 536–541, 2017. DOI: 10.14429/dsj.67.10638. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/10638. Acesso em: 15 jun. 2025.