The Variational Iteration Method for Analytic Treatment of Homogeneous and Inhomogeneous Partial Differential Equations. Global Journal of Science Frontier Research, [S. l.], v. 15, n. F5, p. 7–12, 2015. Disponível em: https://www.journalofscience.org/index.php/GJSFR/article/view/1555. Acesso em: 5 feb. 2026.