OMRAN, H. H. Solutins of Systems for the Linear Fredholm-Volterra Integral Equations of the Second Kind. Ibn AL-Haitham Journal For Pure and Applied Sciences, Baghdad, Iraq., v. 23, n. 2, p. 200–206, 2017. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/1022. Acesso em: 2 apr. 2025.