Intellectual biography of Zbigniew Brzezinski: the author’s experience of the historical source base development and historical sources analysis: DOI: https://doi.org/10.17721/1728-2640.2026.162.8. Bulletin of Taras Shevchenko National University of Kyiv. History, [S. l.], v. 162, n. 1-2, 2026. Disponível em: https://history.bulletin.knu.ua/en/article/view/10302. Acesso em: 2 oct. 2026.