MAZHGIKHOVA, M.G. Green function method for a fractional–order delay differential equation. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 97, n. 1, p. 87–96, 2020. DOI: 10.31489/2020m1/87-96. Disponível em: http://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/324. Acesso em: 28 aug. 2025.