00627naa#a2200169#i#450# EN\\bibl\97996 20250609120900.1 2413-046X 20250430b2025####ek#y0engy0150####ca RU THE AMERICAN SYSTEM OF PROFESSIONAL SPORTS LEAGUES IN THE CONTEXT OF THE DEVELOPMENT OF RUSSIAN SPORTS GEOGRAPHY Journal article Moscow Electronic science 2025 18 с. Journal article local География человека. География культуры. 911.3 Политика. 32 Turkin Vladislav Aleksandrovich qje.su