ELRIFAI, E. A.; ALGHAMDI, R. A. Matrices of inversions for permutations: Recognition and Applications. JOURNAL OF ADVANCES IN MATHEMATICS, [S. l.], v. 9, n. 1, p. 1884–1890, 2014. DOI: 10.24297/jam.v9i1.2508. Disponível em: https://rajpub.com/index.php/jam/article/view/2508. Acesso em: 22 jul. 2024.