Before revision: It was co-authored by Juri M. Lotman, Vjacheslav V. Ivanov, Aleksandr M. Pjatigorskij, Vladimir N. Toporov, and Boris A. Uspenskij ,
After revision: It was co-authored by Juri M. Lotman. Vjacheslav V. Ivanov, Aleksandr M. Pjatigorskij, Vladimir N. Toporov, and Boris A. Uspenskij ,