C. JAYAKUMAR; A. MURUGESAN. Oscillation result for half-linear delay difference equations of second-order. Malaya Journal of Matematik, India, v. 9, n. 01, p. 1153–1159, 2021. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/1240. Acesso em: 16 jul. 2024.