JWAMER, K.H.F.; AHMED, Sh.Sh.; ABDULLAH, D.Kh. Approximate Solution of Volterra Integro-Fractional Differential Equations Using Quadratic Spline Function. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 101, n. 1, p. 50–64, 2021. DOI: 10.31489/2021m1/50-64. Disponível em: http://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/421. Acesso em: 10 jul. 2025.