https://www.kommersant.ru/doc/3813691
http://www.ng.ru/politics/2018-11-27/3_7449_opposition.html
http://www.kasparov.ru/material.php?id=5BFC2A00E3CC4
https://www.kommersant.ru/doc/3811021
https://www.gazeta.ru/army/2018/11/25/12071473.shtml
http://www.ng.ru/week/2018-11-25/8_7447_politics.html
The No. 3 oil producer shares a lot of interests with Saudi Arabia. But right now, with Rosneft investing in exploration and Putin eager to keep gas prices low, there’s little enthusiasm to cut.
https://www.barrons.com/articles/russia-oil-output-1542987852
https://www.inopressa.ru/article/23Nov2018/nzz/gazprom.html