Relevance of the Application of the Theory of Fuzzy Sets in the Calculation of the Strategic Security of a Complex Technical System. European Scientific e-Journal, [S. l.], n. 6 (2), p. 55–64, 2020. DOI: 10.47451/inn2020-12-002. Disponível em: https://journals.eiid.eu/index.php/esej/article/view/153. Acesso em: 2 jul. 2025.