MAHDI, Taghreed. Using Improved Operationally Matrix for Volterra Integral Equation of the First Type. Academic Science Journal, [S. l.], v. 3, n. 4, p. 275–285, 2025. DOI: 10.24237/. Disponível em: https://acadscij.uodiyala.edu.iq/index.php/Home/article/view/417. Acesso em: 9 nov. 2025.