The Linear Span of Four Points in the Pl\"ucker’s Quadric in ${\mathbb P}^5$. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 7, n. 4, p. 472–485, 2014. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/1851. Acesso em: 22 dec. 2024.