Nourelhouda, Berguellah, and Hamri Nasr-Eddine. “Cryptographic Study of Functional Message Using Two Chaotic Models”. Italian Journal of Pure and Applied Mathematics 42 (July 30, 2019): 67–79. Accessed October 27, 2026. https://journals.uniurb.it/index.php/ijpam/article/view/7260.