Krivonogov Иван Александрович. “Preface to the Treatise of St. Cyril of Alexandria ‘On Worship and Service in Spirit and Truth’ and His Role in Evaluating the Purpose of This Work”. The Metaphrast, no. 1 (5) (March 15, 2021): 110–122. Accessed November 5, 2025. https://publishing.mpda.ru/index.php/metaphrast/article/view/1027.