YOUNIS, M. T.; AL-HAYANI, W. Solving fuzzy system for Volterra-Fredholm integral equations of the second kind using homotopy perturbation method. Results in Nonlinear Analysis, [S. l.], v. 8, n. 2, p. 207–221, 2025. Disponível em: https://www.nonlinear-analysis.com/index.php/pub/article/view/625. Acesso em: 14 aug. 2025.