Чугуй, Т. 2019. The King Danylo Romanovich in Rus’-Mongolian Relations: Discussion Questions of Historiography. V. N. Karazin Kharkiv National University Bulletin ‘History of Ukraine. Ukrainian Studies: Historical and Philosophical Sciences’. 29, (Dec. 2019), 6-24. DOI:https://doi.org/10.26565/2227-6505-2019-29-01.