Kharakteristika na obshtitě cherti v bulgarski i iztochnoslavianski
Series: Sbornik na Bulgarskata akademiia na naukitě i izkustvata -- kn. 37-1
Publisher: Durzhavna pechatnitsa
Published: 1941
Place of publication: Sofiia
Language: bul
Number of pages: 103
Notes: German summary.