00449naa#a2200169#i#450# EN\\bibl\13104 20240929122009.7 2414-9047 20160701b2016####ek#y0engy0150####ca RUS RU PROBLEMS OF FORMATION SPORTS CLUSTERS IN RUSSIA Journal article Moscow MOSCLUSTER LLC 2016 3 с. Journal article local Korepova Valeriya zh-szf.ru