A. MURUGESAN; R. SUGANTHI. Oscillation of first order neutral difference equations. Malaya Journal of Matematik, India, v. 4, n. 01, p. 65–78, 2016. DOI: 10.26637/mjm401/009. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/514. Acesso em: 16 jul. 2024.