TAKAAKI FUJITA. Operations, similarity measures, and rough-set approximations for uncertain sets. Vietnam Journal of Science, Technology and Engineering, [S. l.], 2026. DOI: 10.31276/VJSTE.2026.0007. Disponivel em: https://vietnamscience.vjst.vn/index.php/vjste/article/view/1361. Acesso em: 15 jul. 2026.