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https://www.rbc.ru/newspaper/2017/12/26/5a3b920b9a79477856403329
https://ru.krymr.com/a/28931434.html
https://www.vedomosti.ru/politics/articles/2017/12/20/745989-pensiyu-zamorozili
https://www.gazeta.ru/business/2017/12/19/11500118.shtml
https://www.gazeta.ru/science/2017/12/13_a_11433254.shtml
http://www.kasparov.ru/material.php?id=5A2F7E0E514BC