MIRZAKULOVA, A.E.; ATAKHAN, N.; ASSET, N.; RYSBEK, A. Asymptotic convergence of the solution for singularly perturbed boundary value problem with boundary jumps. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 92, n. 4, p. 64–71, 2018. DOI: 10.31489/2018m4/64-71. Disponível em: https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/241. Acesso em: 4 jul. 2025.