TEAM, S. Remarks on Brouwer Fixed Point Theorem for Some Surfaces in $\mathbb{R}^3$: Preeyaporn Thongin, Worapong Fupinwong. Thai Journal of Mathematics, [S. l.], v. 17, n. 3, p. 829–842, 2019. Disponível em: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/929. Acesso em: 3 jul. 2024.