KOZAK, Solomiya. ON THE QUESTION OF THE CONTEXT OF THE OPAVA MEETING IN 1289, ITS PARTICIPANTS AND THE "ETERNAL" CZECH-GALICIAN UNION. International Relations of Ukraine: Scientific Searches and Findings, [S. l.], n. 30, 2021. DOI: 10.15407/mzu2021.30.010. Disponível em: https://mzu.history.org.ua/index.php/MZU/article/view/154. Acesso em: 6 aug. 2026.