https://www.ng.ru/politics/2021-10-17/1_8279_kprf.html
https://www.rosbalt.ru/blogs/2021/10/14/1926168.html
https://jamestown.org/program/putins-brutal-letter-to-ukraine-under-medvedevs-byline/
https://analytics.hvylya.net/239257-zelenskiy-speshit-uvidet-putina-kakimi-mogut-byt-posledstviya
https://www.letemps.ch/economie/russie-renforce-emprise-marche-gazier-europeen