Solution of Nonlinear High Order Multi-Point Boundary Value Problems By Semi-Analytic Technique. Baghdad Science Journal, Iraq, Baghdad, v. 11, n. 2, p. 220–228, 2014. DOI: 10.21123/bsj.2014.11.2.220-228. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/2624.. Acesso em: 4 may. 2024.