https://www.vedomosti.ru/technology/news/2012/05/17/akcionery_yandeksa_ostavili_chistuyu_pribyl_za_2011_god_v?utm_source=telegram&utm_campaign=share&utm_medium=social&utm_content=akcionery_yandeksa_ostavili_chistuyu_pribyl_za_2011_god_v