WANJALA VICTOR; A. M. NYONGESA. On N Quasi D-Operator Operators. International Journal of Mathematics And its Applications, [S. l.], v. 9, n. 2, p. 245–248, 2021. Disponível em: http://ijmaa.in/index.php/ijmaa/article/view/92. Acesso em: 3 may. 2024.