http://www.kasparov.ru/material.php?id=5A71706E3B9EE
http://www.kasparov.ru/material.php?id=5A70E178E2328
https://www.rbc.ru/newspaper/2018/01/31/5a7043d49a794701d890cf0b
https://www.rbc.ru/newspaper/2018/01/31/5a70a2d19a794768d0b0d5c3
https://www.rbc.ru/newspaper/2018/01/31/5a7081529a794748b85e6026
https://www.inopressa.ru/article/30Jan2018/times/opposition.html
https://politeka.net/reading/581988-shhit-donbasu-hto-i-yak-strimaye-nastup-putina/
https://day.kyiv.ua/ru/article/den-planety/volker-surkov-beskonechnaya-diplomatiya