Kŭm vŭprosa za bulgarskiti︠e︡ izvori na ruskiti︠e︡ li︠e︡topisi izvi︠e︡stii︠a︡
Published: 1910
Place of publication: Sofii︠a︡
Language: bul
Number of pages: 148
Notes: Reprinted from Spisanie na Bulgarskata akademii︠a︡ na naukiti︠e︡, kn. 3.