DEBJYOTI CHATTERJEE; SHASHI BAJAJ MUKHERJEE. A study on multiset and multi-real number system and its use to develop metric in the multiset context. Neutrosophic Sets and Systems, [S. l.], v. 96, p. 177–223, 2026. Disponível em: https://fs.unm.edu/nss8/index.php/111/article/view/7267.. Acesso em: 27 sep. 2025.