R. ARUL; T.J. RAGHUPATHI. Oscillation theorems for second-order half-linear neutral difference equations. Malaya Journal of Matematik, India, v. 2, n. 04, p. 460–471, 2014. DOI: 10.26637/mjm204/013. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/438. Acesso em: 22 nov. 2024.