BALKIZOV, Zh.A. Boundary value problems with displacement for one mixed hyperbolic equation of the second order. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 112, n. 4, p. 41–55, 2023. DOI: 10.31489/2023m4/41-55. Disponível em: http://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/604. Acesso em: 28 aug. 2025.