https://newtimes.ru/articles/detail/205081?fcc
https://www.nytimes.com/2021/08/30/world/europe/russian-opposition-leaders-exile.html
http://www.kasparov.ru/material.php?id=6113A6D724C67§ion_id=43452FA6D4743
https://www.svoboda.org/a/proishodit-li-stabilizatsiya-sistemy-putina/31392773.html
https://www.kommersant.ru/doc/4920377
https://www.znak.com/2021-07-30/opros_rossiyane_stali_menshe_doveryat_putinu