ЛУКАШ, О. Л. The order to fill the post of head of state: the problems of the oretical and practice. Scientific works of Kyiv Aviation Institute. Series Law Journal "Air and Space Law", [S. l.], v. 2, n. 15, p. 26–29, 2010. DOI: 10.18372/2307-9061.15.7370. Disponível em: https://jrnl.nau.edu.ua/index.php/UV/article/view/7370. Acesso em: 25 jan. 2026.