KURGAEV, A. F.; GRYGORYEV, S. N. The normal forms of knowledge . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 11, p. 36–43, 2025. DOI: 10.15407/dopovidi2015.11.036. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/15368. Acesso em: 10 may. 2026.