Ivanov I. Tsar Samuel Against Emperor Basil II: Why Did Bulgaria Loose the Battle With the Byzantine Empire at the Beginning of the 11th century. SC [Internet]. 30 grudzień 2011 [cytowane 3 grudzień 2024];1:205-12. Dostępne na: https://czasopisma.uni.lodz.pl/sceranea/article/view/5541