SALIM, S.H.; SAEED, R.K.; JWAMER, K.H.F. Solving Volterra-Fredholm integral equations by non-polynomial spline function based on weighted residual methods. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 117, n. 1, p. 155–169, 2025. DOI: 10.31489/2025m1/155-169. Disponível em: https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/768. Acesso em: 7 sep. 2025.