https://www.kommersant.ru/doc/3751719
https://www.radiosvoboda.org/a/29509237.html
https://www.mk.ru/economics/2018/09/25/ekonomist-narisoval-scenariy-defolta-rossii.html
http://www.dsnews.ua/politics/karty-na-stol-chto-volker-predlozhil-kremlyu-25092018220000
https://www.liga.net/politics/opinion/missiya-nevypolnima-chto-i-pochemu-kurt-volker-skazal-o-minske
https://www.radiosvoboda.org/a/donbass-realii/29505446.html
https://www.gazeta.ru/business/2018/09/24/11994235.shtml
https://www.gazeta.ru/business/2018/09/24/11990443.shtml