FUJITA, T. Fractional Powersets and SuperHyperStructures: Toward a Framework for Fractional Set Theory and Discrete Hierarchical Systems. Journal of Fractional Calculus and Nonlinear Systems, [S. l.], v. 6, n. 2, p. 104–146, 2025. DOI: 10.48185/jfcns.v6i2.1777. Disponível em: https://www.sabapub.com/index.php/jfcns/article/view/1777. Acesso em: 16 apr. 2026.