H. SHUKER, N.; نزار. On Regularity and Flatness. AL-Rafidain Journal of Computer Sciences and Mathematics, [S. l.], v. 1, n. 2, p. 11–16, 2025. Disponível em: https://rjps.uomosul.edu.iq/index.php/csmj/article/view/19479. Acesso em: 3 aug. 2025.