Review September 10, 2019 Open access THE BYGONE SIXTIES. N. G. CHERNYSHEVSKY A. I. Demchenko In memoriam 2019. Volume 12. Issue 9 https://doi.org/10.30853/filnauki.2019.9.1 Fulltext RU Top Author information Aleksandr Ivanovich Demchenko Saratov State Conservatory About this article Publication history Published: September 10, 2019. Copyright © 2019 The Author(s)© 2019 Gramota Publishing, LLC User license Creative Commons Attribution 4.0 International (CC BY 4.0)