00537naa#a2200169#i#450# EN\RIOR\bibl\3431 20240505085723.7 2409-5087 20140501b2014####ek#y0engy0150####ca RUS RU Сivil law and the basic problems of legal regula tion of agency (contracted) work (leased labour) in terms of sports law Journal article Moscow Publishing Center RIOR 2014 6 с. Journal article local Vaskevich Vladimir riorpub.com