LEYDA ALMODOVAR et al. A closed-form solution might be given by a tree. Valuations of quadratic polynomials. Scientia Series A: Mathematical Sciences, [S. l.], v. 29, p. 11–28, 2019. DOI: 10.71712/. Disponível em: https://revistas.usm.cl/scientia/article/view/45.. Acesso em: 7 jun. 2025.