https://www.vedomosti.ru/politics/news/2012/06/27/prohorov-ne-podderzhal-ideyu-oppozicii-o-moskovskom-referendume?utm_source=telegram&utm_campaign=share&utm_medium=social&utm_content=prohorov-ne-podderzhal-ideyu-oppozicii-o-moskovskom-referendume