ODERINU, R. .; OYEDOTUN, S. . Approximate solution to nonlinear system of equation: Pourreza transform variational iteration method. International Journal of Mathematical Analysis and Modelling, [S. l.], v. 8, n. 2, 2026. Disponível em: https://journal.tnsmb.org/index.php/ijmam/article/view/262. Acesso em: 12 sep. 2026.