TIDKE, H. L. On the solutions of nonlinear second order differential equation with finite delay. JOURNAL OF ADVANCES IN MATHEMATICS, [S. l.], v. 11, n. 9, p. 5666–5673, 2016. DOI: 10.24297/jam.v11i9.831. Disponível em: https://rajpub.com/index.php/jam/article/view/831. Acesso em: 16 may. 2024.