https://theins.ru/opinions/pavel-chikov/247514
https://www.bbc.com/russian/features-59817247
https://www.bbc.com/russian/news-59815965
https://www.rbc.ru/newspaper/2021/12/29/619f93a29a79479fd98185b7
https://www.kommersant.ru/doc/5153367
https://www.rbc.ru/newspaper/2021/12/28/61c21e289a79479e8562641b