https://www.dw.com/ru/rossija-nato-i-problema-ukrainy-chto-meshaet-dogovoritsja/a-60552016
https://www.bbc.com/russian/features-59964662
https://www.rosbalt.ru/world/2022/01/20/1940241.html
https://www.kommersant.ru/doc/5172764
https://theins.ru/opinions/pavel-luzin/247921
https://www.gov.uk/government/news/an-article-by-the-defence-secretary-on-the-situation-in-ukraine