A. MURUGESAN; K. AMMAMUTHU. Conditions for oscillation and convergence of solutions to second order neutral delay difference equations with variable coefficients. Malaya Journal of Matematik, India, v. 5, n. 02, p. 367–377, 2017. DOI: 10.26637/mjm502/014. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/601. Acesso em: 16 jul. 2024.