HUNTUL, M.J.; TEKIN, I. Inverse coefficient problem for differential equation in partial derivatives of a fourth order in time with integral over-determination. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 108, n. 4, p. 51–59, 2022. DOI: 10.31489/2022m4/51-59. Disponível em: https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/526. Acesso em: 30 jul. 2025.