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 Syst. [Internet]. 2026 Feb. 25 [cited 2025 Oct. 1];96:177-223. Available from: https://fs.unm.edu/nss8/index.php/111/article/view/7267