Die Abstracta "um" und "razum" bei Belinskij : semasiologische Untersuchungen /
Lettmann, Rolf.
München : O. Sagner,
1971.
Originally presented as the author's thesis Mainz.
Bibliography: p. 159-167.
Belenskiǐ, Vissarion Grigor'evich, 1811-1848