Ignatusha , O. M. “The Orthodox Church and the Russian Aggression in Ukraine (1919–1920): Part 2. Contradictions in Interaction Between the Church and Political Regimes”. Zaporizhzhia Historical Review, Vol. 1, no. 39, June 2021, pp. 83-97, https://istznu.org/index.php/journal/article/view/1366.