TY JOUR TI LEGAL REGULATION OF INTERNATIONAL SPORTS: RESPONSIBILITY OF ATHLETES FOR VIOLATION OF ANTI-DOPING RULES KW World Anti-Doping Agency KW doping KW RUSADA KW Kamila Valieva KW Olympic Games KW prohibited substance KW IOC JO Journal of Legal Studies AU Tsibizova, S.V. AU Seleznev, R.N. PY 2025 IS 10 PB INFRA-M Academic Publishing LLC.