V. A. Berdinskikh and V. I. Menkouski, “The Stalin Era: some characteristics of the formation of the GULAG”, Журнал БГУ. История, no. 3, pp. 44–54, Sep. 2017, Accessed: Jul. 19, 2026. [Online]. Available: https://journals.bsu.by/index.php/history/article/view/52