HASSO, M.; JASIM MOHAMMED, A. On Investigation of the convergence by least square method for solving Fredholm integral. Journal of Education and Science, [S. l.], v. 21, n. 2, p. 143–149, 2008. DOI: 10.33899/edusj.2008.51252. Disponível em: https://edusj.uomosul.edu.iq/index.php/edusj/article/view/42547. Acesso em: 10 sep. 2025.