T. GOPAL; G. AYYAPPAN; R. ARUL. Some new oscillation criteria of third-order half-linear neutral difference equations. Malaya Journal of Matematik, India, v. 8, n. 03, p. 1301–1305, 2020. DOI: 10.26637/MJM0803/0100. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/1605. Acesso em: 16 jul. 2024.