Гайко, О.С. “EVOLUTION OF SOVEREIGNTY: THE PROBLEM FIEID”. The Journal of V.N. Karazin Kharkiv National University. Series "Issues of Political Science"0, no. 1031 (October 29, 2012): 9-14. Accessed June 5, 2026. https://periodicals.karazin.ua/politology/article/view/2974.