https://www.rosbalt.ru/world/2021/12/30/1937990.html
http://region.expert/defederalization/
https://hvylya.net/analytics/244375-ultimatum-putina-i-rossiysko-ukrainskaya-voyna-2022
https://www.rosbalt.ru/russia/2021/12/29/1937757.html
https://theins.ru/opinions/pavel-chikov/247514
https://novayagazeta.ru/articles/2021/12/27/den-osvobozhdeniia
https://www.rbc.ru/newspaper/2021/12/27/61c4464f9a79475cbe2bf791