DZHUMABAEV, D.S.; MYNBAYEVA, S.T. One approach to solve a nonlinear boundary value problem for the Fredholm integro-differential equation. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 97, n. 1, p. 27–36, 2020. DOI: 10.31489/2020m1/27-36. Disponível em: https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/329. Acesso em: 2 jul. 2025.