http://www.rosbalt.ru/world/2017/06/08/1621521.html
https://republic.ru/posts/83742
http://www.kommersant.ru/doc/3319820
Claim made in interview with film-maker Oliver Stone, who was granted rare access to Russian president over two years
https://politeka.net/445377-chernogorskiy-prolet-kremlya-rossiyskoe-iskusstvo-sozdavat-vragov/
https://www.gazeta.ru/politics/2017/06/07_a_10711529.shtml
https://www.gazeta.ru/business/2017/06/07/10712105.shtml
http://www.rosbalt.ru/blogs/2017/06/07/1621407.html