LYUBASHITS, V. Y.; RAZUVAEV, N. V.; MAMYCHEV, A. Y.; SHESTOPAL, S. S.; I., B. V. Signs of State and Their Historical Modifications. Journal of History Culture and Art Research, [S. l.], v. 7, n. 3, p. 175-186, 2018. DOI: 10.7596/taksad.v7i3.1746. Disponível em: http://193.140.9.50/index.php/ilk/article/view/1746. Acesso em: 4 dec. 2025.