FOSTER, S. M.; JOHNSON, J. A. The asymptotic closure of an ideal relative to a module. Tamkang Journal of Mathematics, [S. l.], v. 32, n. 3, p. 231–235, 2001. DOI: 10.5556/j.tkjm.32.2001.379. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/379. Acesso em: 4 jul. 2022.