Hyers-Ulam Stability of Fifth Order Linear Differential Equations. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 17, n. 4, p. 3585–3609, 2024. DOI: 10.29020/nybg.ejpam.v17i4.5446. Disponível em: https://www.ejpam.com/ejpam/article/view/5446. Acesso em: 23 feb. 2026.