Homotopy Perturbation Method and Convergence Analysis for the Linear Mixed Volterra-Fredholm Integral Equations. Iraqi Journal of Science, [S. l.], v. 61, n. 2, p. 409–415, 2020. DOI: 10.24996/ijs.2020.61.2.19. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/1256.. Acesso em: 22 nov. 2024.