TAGHAVI, Ali; GHOLAMPOOR, Saeed. Geometric results of Han-Banach theorem for functionals on weak hypervector spaces. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 42, p. 833–839, 2019. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/7185. Acesso em: 27 oct. 2026.