TEAM, S. Convergence of the Variational Iteration Method for Solving a First-Order Linear System of PDEs with Constant Coeffcients: Momtri Torvattanabun, Sanoe Koonprasert. Thai Journal of Mathematics, [S. l.], v. 7, n. 3, p. 1–13, 2009. Disponível em: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/173. Acesso em: 4 may. 2024.