ASSANOVA, A.T.; IMANCHIYEV, A.E.; KADIRBAYEVA, Z.M. A nonlocal problem for loaded partial differential equations of fourth order. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 97, n. 1, p. 6–16, 2020. DOI: 10.31489/2020m1/6-16. Disponível em: https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/322. Acesso em: 1 jul. 2025.