1.
Šemkov G. Kirilometodievistika simpozium. Vtori meždunaroden kongres po bălgaristika, Sofija, 23 maj - 3 juni 1986 g.; Hoffer, Angelika, Edle von Sulmtal - Michail Margaritov: Za Kiril i Metodij. An Attempt to Establish the Nationality of the Slav Apostles Constantine and Methodius and an Explanation of Some Circumstances Related to This Question. SOF [Internet]. 30. November 2021 [zitiert 24. November 2024];1(1):380-1. Verfügbar unter: http://bsb0sit-zepweb01.bsb.lrz.de/portal/index.php/sof/article/view/8324