TUNÇ, Cemil. On the qualitative behaviors of solutions to a kind of nonlinear third order differential equations with retarded argument. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 28, p. 273–284, 2011. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/5988. Acesso em: 18 jul. 2026.