https://foreignpolicy.com/2022/02/18/russia-ukraine-arrest-assassination-invasion/
https://nvo.ng.ru/nvo/2022-02-17/3_1177_control.html
http://region.expert/leviathan/
https://www.dw.com/ru/naskolko-opasnyi-dlya-ukrainyi-rossiyskie-ucheniya-v-chernom-more/a-60781902
https://www.bbc.com/russian/features-60377472
https://novayagazeta.ru/articles/2022/02/13/tri-dnia-do-16-go