π-Armendariz Rings and Related Concepts. Baghdad Science Journal, Iraq, Baghdad, v. 13, n. 4, p. 0853, 2016. DOI: 10.21123/bsj.2016.13.4.0853. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/2329.. Acesso em: 2 may. 2024.