NIKOLOV, Danail. Patristic Views on the Hierarchy of the Angels. Forum Theologicum Sardicense, [S. l.], n. 1, p. 69–84, 2025. Disponível em: https://periodicals.uni-sofia.bg/index.php/forum-theologicum-sardicense/article/view/469. Acesso em: 12 aug. 2025.