CONTRACTION MAPPING THEOREM OF THE SPACE OF FUZZY NUMBERS. Al-Nahrain Journal of Science, [S. l.], v. 13, n. 2, p. 183–188, 2010. Disponível em: https://mail.anjs.edu.iq/index.php/anjs/article/view/1117.. Acesso em: 4 nov. 2024.