http://region.expert/belovezh/
https://www.ng.ru/dipkurer/2021-12-12/9_8324_negotiation.html
https://www.bbc.com/russian/features-59552095
https://hvylya.net/analytics/243252-virtualnyy-sammit-putina-baydena-analiz-osnovnyh-itogov
https://novayagazeta.ru/articles/2021/12/10/operatsiia-w
https://www.levada.ru/2021/12/10/dekabr-1991-go-kak-soyuz-stal-rushimym/