RUSSELL, Ariel. Numerical Range of Strictly Triangular Matrices over Finite Fields. Mathematics Exchange, [S. l.], v. 16, n. 1, p. 104–120, 2026. DOI: 10.33043/5zG2NHVHVG. Disponível em: https://openjournals.bsu.edu/mathexchange/article/view/6173. Acesso em: 28 apr. 2026.