On Global Inversion Theorems in the Plane. Contemporary Mathematics , [S. l.], v. 2, n. 4, p. 271–278, 2021. DOI: 10.37256/cm.242021998. Disponível em: https://ojs353.mebyme.cn/index.php/CM/article/view/998. Acesso em: 24 dec. 2025.