MURUGESAN, A.; SOWMIYA, P. Necessary and sufficient conditions for oscillations of first order neutral delay difference equations with constant coefficients. International Journal of Advanced Mathematical Sciences, [S. l.], v. 3, n. 1, p. 12–24, 2015. DOI: 10.14419/ijams.v3i1.4462. Disponível em: https://sciencepubco.com/index.php/IJAMS/article/view/4462.. Acesso em: 21 nov. 2024.