ATTAEV, A.Kh. On the solvability of the Goursat problem for one class of loaded second-order hyperbolic equations. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 117, n. 1, p. 46–52, 2025. DOI: 10.31489/2025m1/46-52. Disponível em: https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/702. Acesso em: 31 jul. 2025.