https://hvylya.net/analytics/244375-ultimatum-putina-i-rossiysko-ukrainskaya-voyna-2022
https://www.rbc.ru/newspaper/2021/12/15/61b73f979a794745391b5ac7
https://www.radiosvoboda.org/a/arestovych-putin-biden-viyna-donbas/31604580.html
https://www.rosbalt.ru/russia/2021/12/10/1935140.html