On Maximal Chains In Partially Ordered Sets With Compatible (Left, Right)- Group Actions. AL-Rafidain Journal of Computer Sciences and Mathematics, [S. l.], v. 10, n. 4, p. 43–50, 2013. DOI: 10.33899/csmj.2013.163545 . Disponível em: https://csmj.uomosul.edu.iq/index.php/csmj/article/view/37002. Acesso em: 25 jun. 2026.