CYREK, Olga. Frontal image of Christ in all forms of Bizantine and Russian icon. Iconographic scheme. Polonia Sacra, [S. l.], v. 16, n. 1, p. 113–134, 2012. DOI: 10.15633/ps.537. Disponível em: https://czasopisma.upjp2.edu.pl/poloniasacra/article/view/537.. Acesso em: 21 sep. 2026.