OMONIGHO, O. M. Further results on stability criteria for certain second-order delay differential equations with mixed coefficients: Further results on stability criteria for certain second-order... Journal of the Nigerian Mathematical Society, [S. l.], v. 42, n. 1, p. 36–48, 2023. Disponível em: https://ojs.ictp.it/jnms/index.php/jnms/article/view/875. Acesso em: 26 may. 2024.