KALYBAY, A.; KARATAYEVA, D. Oscillation and nonoscillation criteria for a half-linear difference equation of the second order and extended discrete Hardy inequality. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 74, n. 1, p. 45–60, 2022. DOI: 10.37863/umzh.v74i1.2298. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2298. Acesso em: 5 dec. 2025.