WANJALA, V.; ADHIAMBO, B. On Class (BD) Operators of Order (n+k+m). Meru Universty of Science and Technology International Conference (MUSTIC), [S. l.], v. 3, n. 1, 2025. Disponível em: http://41.89.229.67/index.php/mustic/article/view/2. Acesso em: 2 aug. 2025.