IBRAHIM, I.; M.YOUSRY, F. Parameter Class for Solving Delay Differential Equations. JOURNAL OF ADVANCES IN MATHEMATICS, [S. l.], v. 10, n. 9, p. 3846–3861, 2015. DOI: 10.24297/jam.v10i9.1905. Disponível em: https://www.rajpub.com/index.php/jam/article/view/1905. Acesso em: 25 jul. 2025.