https://www.svoboda.org/a/kak-krasnaya-armiya-vzryvala-kiev/31467844.html
https://www.nytimes.com/2021/09/19/opinion/putin-russia-election.html
https://novayagazeta.ru/articles/2021/09/18/pereproshitaia-rossiia
https://jamestown.org/program/the-russian-elections-and-hidden-regionalist-politics/
https://analytics.hvylya.net/237377-istoricheskie-oshibki-vladimira-putina