T︠S︡entŭr Ivan Duĭchev
de Aksinii︠a︡ Dzhurova, Georgi Bakalov, Krasimir Stanchev
de Aksinii︠a︡ Dzhurova, Georgi Bakalov, Krasimir Stanchev
Nauch. t͡s︡entŭr za slavi͡a︡no-vizantiĭski prouchvanii͡a︡ "Ivan Duĭchev" kŭm SU "Kliment Okhridski" · bul, inglés