A. GEORGE MARIA SELVAM; M. PAUL LOGANATHAN; K. R. RAJKUMAR. Oscillatory Properties of Third-Order Neutral Delay Difference Equations. International Journal of Mathematics And its Applications, [S. l.], v. 3, n. 4 - A, p. 9–13, 2015. Disponível em: http://ijmaa.in/index.php/ijmaa/article/view/481. Acesso em: 20 may. 2024.