A numerical approach for solving a semilinear obstacle problem on the boundary. Gulf Journal of Mathematics, [S. l.], v. 19, n. 2, p. 20–35, 2025. DOI: 10.56947/gjom.v19i2.2628. Disponível em: https://www.gjom.org/index.php/gjom/article/view/2628. Acesso em: 19 aug. 2026.