https://www.rbc.ru/newspaper/2017/12/13/5a2fd9289a79477b947d2e20
https://www.kommersant.ru/doc/3495579
https://www.gazeta.ru/comments/2017/12/13_e_11433488.shtml
https://www.gazeta.ru/business/2017/12/12/11395472.shtml?updated
https://www.rbc.ru/newspaper/2017/12/12/5a2e83589a79474852d084cf
https://www.kommersant.ru/doc/3494232
https://www.gazeta.ru/comments/2017/12/12_e_11393966.shtml
https://www.gazeta.ru/business/2017/12/05/11033678.shtml
https://www.gazeta.ru/business/2017/12/11/11325890.shtml
https://www.gazeta.ru/comments/column/bovt/11322974.shtml