Columbia subject headings:
Averint︠s︡ev, S. S. (Sergeĭ Sergeevich), 1937-2004--Bibliography.
Averint︠s︡ev, S. S. (Sergeĭ Sergeevich), 1937-2004.
Bulgarian philology.
Russian philology.
Harvard subject headings:
Averint︠s︡ev, S. S. (Sergeĭ Sergeevich), 1937-2004--Bibliography.
Averint︠s︡ev, S. S. (Sergeĭ Sergeevich), 1937-2004.
Bulgarian philology.
Russian philology.
Princeton subject headings: