TURMETOV, B.Kh.; Mуrzakhasova A.M. On solvability of fractional analogues of the Neumann problem for biharmonic equation. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 79, n. 3, p. 87–95, 2015. Disponível em: https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/53. Acesso em: 10 jul. 2025.