(σ,τ )– (J,R) – DERIVATIONS ON JORDAN IDEALS. Baghdad Science Journal, Iraq, Baghdad, v. 6, n. 2, p. 410–420, 2009. DOI: 10.21123/bsj.2009.11884. Disponível em: https://bsj-ojs.uobaghdad.edu.iq/index.php/BSJ/article/view/11884.. Acesso em: 19 jun. 2025.