Nalivaiko A. LIVES OF SAINTS IN THE EARLY MIDDLE AGES, AS A HISTORICAL SOURCE IN THE RESEARCHES OF L.M. BERKUT. SJPU [Internet]. 20 sierpień 2021 [cytowane 18 maj 2024];44(1):101-6. Dostępne na: http://pnap.ap.edu.pl/index.php/pnap/article/view/663