SALIM, S.H.; JWAMER, K.H.F.; SAEED, R.K. Solving Volterra-Fredholm integral equations by non-polynomial spline functions. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 116, n. 4, p. 170–184, 2024. DOI: 10.31489/2024m4/170-184. Disponível em: https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/627. Acesso em: 15 sep. 2025.