@book { DieAbstractaumundrazumbeiBelinskij, title = "Die Abstracta um und razum bei Belinskij", subtitle = "Semasiologische Untersuchungen", author = "Rolf {Lettmann}", year = "1971", publisher = "Biblion", address = ", Germany", doi = "10.3726/b12183", url = "https://www.peterlang.com/document/1066723" }