QARAWANI, Maher Nazmi. Hyers-Ulam Stability of Linear and Nonlinear Differential Equations of Second Order. International Journal of Applied Mathematical Research, [S. l.], v. 1, n. 4, p. 422–432, 2012. DOI: 10.14419/ijamr.v1i4.160. Disponível em: https://www.sciencepubco.com/index.php/ijamr/article/view/160.. Acesso em: 2 may. 2024.