S. REVATHY; R. KODEESWARAN. Oscillatory properties of third-order delay difference neutral equations. Malaya Journal of Matematik, India, v. 9, n. 01, p. 95–100, 2021. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/977. Acesso em: 24 nov. 2024.