https://www.bbc.com/russian/news-59305283
https://www.kommersant.ru/doc/5078738
https://www.kommersant.ru/doc/5078609
https://carnegie.ru/commentary/85782
https://www.thetimes.co.uk/article/if-we-falter-the-balkans-will-explode-again-7rk3z2npl
https://www.fr.de/politik/eine-neue-stufe-der-repression-in-russland-91112923.html
https://novayagazeta.ru/articles/2021/11/13/chekisty-nachinaiut-s-chistogo-lista
https://novayagazeta.ru/articles/2021/11/12/chugun-rzhaveet
https://newtimes.ru/articles/detail/205386