JENALIYEV, . M. .; KASSYMBEKOVA, A. . On the initial boundary problem for hyperbolic equations with exponential degeneration t^ 12/7. Journal of Mathematics, Mechanics and Computer Science, [S. l.], v. 121, n. 1, p. 27–36, 2024. DOI: 10.26577/JMMCS202412113. Disponível em: https://bm.kaznu.kz/index.php/kaznu/article/view/1377. Acesso em: 23 nov. 2024.