RASKIN, L.; SIRA, O. Fuzzy models of rough mathematics. Eastern-European Journal of Enterprise Technologies, [S. l.], v. 6, n. 4 (84), p. 53–60, 2016. DOI: 10.15587/1729-4061.2016.86739. Disponível em: https://journals.uran.ua/eejet/article/view/86739. Acesso em: 18 jul. 2024.