TY JOUR TI Constitutional Right to Social Security: New Requirements in the Content of Legal Guarantees KW human rights KW legal guarantees KW the state KW social assistance KW social support measures KW the Constitution of the Russian Federation KW discrimination JO Bulletin of the Kazan Law Institute of MIA Russia AU Semenova, O.N. PY 2023 IS 14 PB Kazan law institute Ministry of Internal Affairs Russian Federation