A Study of Hairy Ball Theorem associate with Borsuk-Ulam Theorem. Journal of International Academy of Physical Sciences, [S. l.], v. 29, n. 2, p. 55–59, 2025. Disponível em: http://www.iaps.org.in/journal/index.php/journaliaps/article/view/1018. Acesso em: 23 oct. 2026.