00552naa#a2200169#i#450# EN\\bibl\46100 20240623180521.7 2542-1840 20211008b2021####ek#y0engy0150####ca RU Private vs. Public Principles in the Regulation of Physical Culture and Sports Relations Journal article Kemerovo Kemerovo State University 2021 7 с. Journal article local Kovalenko Ekaterina Yur'evna Tydykova Nadezhda Vladimirovna vestnik-hss.kemsu.ru