https://jamestown.org/program/gazproms-italian-strike-or-the-latest-russian-blackmail-of-europe/
https://www.rosbalt.ru/world/2021/11/02/1929117.html
https://www.ng.ru/vision/2021-11-02/8_8293_vision.html
https://carnegie.ru/commentary/85687
https://www.svoboda.org/a/crisisniy-argument-pochemu-putin-puskaet-gas-v-evropu/31539883.html