Kuczyńska, Marzanna. “The Uniate Alteration of the Orthodox Treatise Zercalo Bogoslovii”. Poznańskie Studia Slawistyczne, no. 14 (September 21, 2018): 107–128. Accessed November 22, 2024. https://pressto.amu.edu.pl/index.php/pss/article/view/14624.