SHEHATA, S. A. ON SUCCESSIVE APPROXIMATIONS OF A GIVEN DIFFERENTIAL EQUATION. Tamkang Journal of Mathematics, [S. l.], v. 23, n. 3, p. 187–195, 1992. DOI: 10.5556/j.tkjm.23.1992.4541. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4541. Acesso em: 2 may. 2024.