Istorii︠a︡ i kulʹtura Bolgarii k 1300-letii︠u︡ obrazovanii︠a︡ bolgarskogo gosudarstva
Ulunian, Akop A.
Institut slavi︠a︡novedenii︠a︡ i balkanistiki (Akademii︠a︡ nauk SSSR)
Moskva Nauka
1981
At head of title: Akademii︠a︡ nauk SSSR, Institut slavi︠a︡novedenii︠a︡ i balkanistiki
Includes bibliographical references and index