FUJITA, Takaaki. Powerset-Theoretic Foundations for HyperAutomata and SuperHyperAutomata. Systemic Analytics, [S. l.], v. 3, n. 3, p. 222–231, 2025. DOI: 10.31181/sa202556. Disponível em: http://www.sa-journal.org/index.php/systemic/article/view/56.. Acesso em: 21 may. 2026.