http://www.kasparov.ru/material.php?id=590AB795C97BC
https://republic.ru/posts/82517
A decade ago, Mikhail Gutseriev was a billionaire on the run trying to avoid the fate of fellow Russian oil titan Mikhail Khodorkovsky, who’d flouted the power of Vladimir Putin and been sentenced to 10 years in prison.
https://lenta.ru/articles/2017/05/03/putin_erdgan/
http://www.kommersant.ru/doc/3288865
http://ru.krymr.com/a/28465219.html
https://www.gazeta.ru/business/2017/05/03/10655333.shtml
https://www.gazeta.ru/politics/2017/05/03_a_10654799.shtml
http://www.kommersant.ru/doc/3288737