https://analytics.hvylya.net/238090-itogi-vyborov-v-rf-pochemu-ne-stoit-ozhidat-massovyh-protestov
https://carnegie.ru/commentary/85390
https://www.ng.ru/world/2021-09-20/1_8256_west.html
https://novayagazeta.ru/articles/2021/09/20/sdat-direktoru-paroli-ot-elektronnoi-pochty
https://www.rbc.ua/rus/news/monobolshinstvo-putina-edinaya-rossiya-vyigrala-1632135101.html
https://www.svoboda.org/a/31467728.html
https://www.nytimes.com/2021/09/19/opinion/putin-russia-election.html