https://www.vedomosti.ru/politics/news/2012/02/01/prohorov_reshil_ne_vystupat_4_fevralya_na_mitinge_oppozicii?utm_source=telegram&utm_campaign=share&utm_medium=social&utm_content=prohorov_reshil_ne_vystupat_4_fevralya_na_mitinge_oppozicii