LIU, Y. Asymptotic behavior for a class of delay differential equations with a forcing term. Tamkang Journal of Mathematics, [S. l.], v. 34, n. 4, p. 309–316, 2003. DOI: 10.5556/j.tkjm.34.2003.233. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/233. Acesso em: 29 apr. 2024.