https://www.novayagazeta.ru/articles/2018/12/20/78994-bolshe-konfrontatsii-bolshe-deneg
https://www.radiosvoboda.org/a/29663233.html
https://www.gazeta.ru/politics/2018/12/19_a_12100165.shtml
https://www.rbc.ru/newspaper/2018/12/19/5c18f8819a79472b028dfbd8
http://www.kasparov.ru/material.php?id=5C1A625F1A7FA
https://www.svoboda.org/a/29663222.html
https://www.gazeta.ru/army/2018/12/18/12099847.shtml