U.S. sanctions have driven the price of oil and the ruble apart—leaving Russia with expensive crude and a cheaper currency, a combination that is helping its economy.
http://www.kasparov.ru/material.php?id=5BC5C87ECA6AA
https://www.mk.ru/politics/2018/10/16/balkanskiy-front-stal-zhiznenno-vazhnym-dlya-rossii.html
http://expert.ru/ural/2018/42/malyij-povzroslel/
http://expert.ru/2018/10/16/novyie-obligatsii-pomogut-zastrahovat-rubl-ot-dollara/
https://www.rbc.ru/newspaper/2018/10/16/5bc4a38f9a794798669c5ec3
https://www.rbc.ru/newspaper/2018/10/16/5bc470839a794789ece35b56
https://www.kommersant.ru/doc/3771797
https://www.kommersant.ru/doc/3772349