https://www.bbc.com/russian/features-59652453
http://region.expert/belovezh/
https://www.radiosvoboda.org/a/arestovych-putin-biden-viyna-donbas/31604580.html
https://hvylya.net/analytics/243252-virtualnyy-sammit-putina-baydena-analiz-osnovnyh-itogov
https://www.rosbalt.ru/russia/2021/12/10/1935140.html
https://carnegie.ru/commentary/85966
https://www.kommersant.ru/doc/5119451