MURTHY, N. V. E. S. Is the class of all fuzzy rings a fuzzy HSP-class?. Tamkang Journal of Mathematics, [S. l.], v. 34, n. 3, p. 271–292, 2003. DOI: 10.5556/j.tkjm.34.2003.320. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/320. Acesso em: 19 apr. 2024.