A. MURUGESAN; R. SUGANTHI. Oscillatory Behavior of First Order Neutral Delay Difference Equations. International Journal of Mathematics And its Applications, [S. l.], v. 5, n. 1 - B, p. 221–227, 2017. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/769. Acesso em: 3 jul. 2024.