NGUYỄN, Diệu. The algebra generated by $z^3$ and a continuous function on a compact set in the plane. Thang Long Journal of Science: Mathematics and Mathematical Sciences, [S. l.], v. 5, n. 2, 2026. Disponível em: https://science.thanglong.edu.vn/index.php/volc/article/view/349. Acesso em: 18 oct. 2026.