https://www.rbc.ru/economics/23/02/2022/6214fee99a7947c592f8fdfb?from=column_9
http://region.expert/inversion/
https://www.ng.ru/economics/2022-02-20/4_8376_gas.html
https://www.bbc.com/russian/features-60419032
https://foreignpolicy.com/2022/02/18/russia-ukraine-arrest-assassination-invasion/
https://www.dw.com/ru/kommentarij-bezzhalostnost-i-agressivnost-kak-programma-kremlja/a-60817210