“EUROPEAN SECURITY WITHOUT THE UNITED STATES: CHALLENGES AND PROSPECTS IN THE CONTEXT OF RUSSIAN AGGRESSION AGAINST UKRAINE”. Bulletin of Taras Shevchenko National University of Kyiv. International Relations 62, no. 1 (May 22, 2026): 14–21. Accessed October 6, 2026. https://intern.bulletin.knu.ua/en/article/view/9874.