After the deal with OPEC, Russia’s energy minister is now as closely watched as his Saudi counterpart
https://www.bloomberg.com/news/articles/2017-12-20/putin-s-mr-opec-becomes-an-oil-market-player
https://www.inopressa.ru/article/20Dec2017/bloomberg/novak.html
https://www.gazeta.ru/business/2017/12/16/11493104.shtml
http://www.ng.ru/cis/2017-11-23/6_7121_ukraina.html
http://www.ng.ru/cis/2017-11-13/1_7113_ukraina.html
https://zn.ua/internal/krymskie-plenniki-i-materikovye-blagodeteli-265828_.html
https://ukr.lb.ua/economics/2017/11/08/381395_pivroku_sanktsiy_proti_rosiyskih.html
https://www.gazeta.ru/business/2017/11/07/10974878.shtml
https://www.radiosvoboda.org/a/28813673.html