TY JOUR TI The preliminary ruling procedure at the court of justice of the European Union and transformation of European anti-discrimination law KW EU law KW CJEU KW national courts KW preliminary ruling procedure KW judicial dialogue KW antidiscrimination law KW protection against discrimination JO Vestnik of the St. Petersburg University of the Ministry of Internal Affairs of Russia AU Sorokina, E.A. PY 2020 IS 2020 PB SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION