BAKANOV, G.B.; MELDEBEKOVA, S.K. On the stability of the difference analogue of the boundary value problem for a mixed type equation. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 105, n. 1, p. 35–42, 2022. DOI: 10.31489/2022m1/35-42. Disponível em: https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/461. Acesso em: 9 jul. 2025.