B. SELVARAJ; M. RAJU. Oscillatory properties of third-order quasilinear difference equations. Malaya Journal of Matematik, India, v. 1, n. 04, p. 142–147, 2013. DOI: 10.26637/mjm104/016. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/380. Acesso em: 5 nov. 2024.