The Approximated Solution for The Nonlinear Second Order Delay Multi-Value Problems. Baghdad Science Journal, Iraq, Baghdad, v. 8, n. 1, p. 175–178, 2011. DOI: 10.21123/bsj.2011.8.1.175-178. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/1150.. Acesso em: 4 may. 2024.