https://www.bbc.com/russian/features-59652453
https://novayagazeta.ru/articles/2021/12/13/vagner-doigralsia
https://www.bbc.com/russian/features-59552095
https://www.kommersant.ru/doc/5127947
https://hvylya.net/analytics/243252-virtualnyy-sammit-putina-baydena-analiz-osnovnyh-itogov