Kyrychok, Olexandr. ““Philosopher” and ‘Philosophy’ in Kyivan Rus’ Written Sources of the 11th-14th Centuries: Historiography of Conceptual Interpretations”. Sententiae 39, no. 2 (December 22, 2020): 64–91. Accessed March 28, 2024. https://sententiae.vntu.edu.ua/index.php/sententiae/article/view/531.