“Materials from French Archives about Ivan Mazepa in 1708: from the Deconstruction of Ilko Borshchak’s Hoaxes to New Findings: DOI: Https: doi.Org 10.17721 1728-2640.2026.162.1”. 2026. Bulletin of Taras Shevchenko National University of Kyiv. History 162 (1-2). https://history.bulletin.knu.ua/en/article/view/10321.