https://www.kommersant.ru/doc/3757315
http://www.kasparov.ru/material.php?id=5BADFCBCF3C7C
https://zn.ua/international/kogda-padaet-reyting-putina-295826_.html
https://carnegie.ru/2018/09/27/ru-pub-77353
https://www.inopressa.ru/article/26Sep2018/atlantico/navalny.html
https://www.inopressa.ru/article/26Sep2018/lacroix/parti.html
https://www.inopressa.ru/article/26Sep2018/sueddeutsche/elections.html
President Putin’s ruling United Russia party has suffered its biggest electoral setback amid widespread anger over government plans to increase the national retirement age.In a poll result that has sent tremors through the establishment, the nationalist Liberal Democratic Party of Russia (LDPR) secu