https://www.vedomosti.ru/finance/news/2009/11/26/shvejcarskij-centrobank-provel-valyutnuyu-intervenciyu,-chtoby-sderzhat-frank?utm_source=telegram&utm_campaign=share&utm_medium=social&utm_content=shvejcarskij-centrobank-provel-valyutnuyu-intervenciyu%2C-chtoby-sderzhat-frank