Чугуй, Тарас. “Pressing Questions of Historiography of Rus’-Hungarian Relations of the First Third of the XIII Century”. V. N. Karazin Kharkiv National University Bulletin ‘History of Ukraine. Ukrainian Studies: Historical and Philosophical Sciences’ 270 (March 2, 2019): 12-28. Accessed December 23, 2024. https://periodicals.karazin.ua/uahistory/article/view/12341.