Ivan Stoyanov Ivanov (Kiumurdzhiysky) D. Liturgical Phenomenology of the Christian Art: Sacred Music, Iconography and Liturgical Text in the Regulations of the Ecumenical Councils and the Textimony of the Fathers. FThS [Internet]. 2025 May 22 [cited 2025 Aug. 11];(2):17-52. Available from: https://periodicals.uni-sofia.bg/index.php/forum-theologicum-sardicense/article/view/441