Two miniatures relating the 2 × 2 minors of a square matrix and the symmetric group. Extracta Mathematicae, [S. l.], v. 41, n. 1, p. 133–141, 2026. DOI: 10.17398/2605-5686.41.1.133. Disponível em: https://revista-em.unex.es/index.php/EM/article/view/2404. Acesso em: 9 jun. 2026.