https://lenta.ru/news/2017/12/19/gazprom_budget/
About a year ago, a seasoned U.S. oil leader with deep political connections explained to me that U.S. shale would be out of the woods by 2018. His t…
https://www.cfr.org/blog/could-us-russia-oil-showdown-be-coming
http://expert.ru/2017/12/18/evrosoyuz-kak-game-changer-pravil-energeticheskoj-igryi/
https://www.gazeta.ru/business/2017/12/18/11499482.shtml
https://www.gazeta.ru/army/2017/12/18/11495294.shtml
https://www.kommersant.ru/doc/3493777
https://www.kommersant.ru/doc/3494051
http://www.ng.ru/economics/2017-12-18/2_7139_afera.html
http://expert.ru/expert/2017/51/slishkom-schedryie-slishkom-bednyie/