KASSYMOV, K. A.; DAUYLBAYEV, M. K.; ATAKHAN, N. symptotic convergence of solution of boundary problems for the singular perturbated integro-differential equations. Journal of Mathematics, Mechanics and Computer Science, [S. l.], v. 74, n. 3, p. 28–33, 2012. Disponível em: https://bm.kaznu.kz/index.php/kaznu/article/view/146. Acesso em: 22 dec. 2024.