MAMAJONOV, M. On a boundary value problem for a parabolic-hyperbolic equation of the fourth order. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 117, n. 1, p. 118–132, 2025. DOI: 10.31489/2025m1/118-132. Disponível em: https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/776. Acesso em: 1 sep. 2025.