00567naa#a2200181#i#450# EN\\bibl\101407 20250804205128.1 2782-4586 20250717b2025####ek#y0engy0150####ca RU Legal regulation of digital platforms in the Russian Federation Journal article Moscow ITBO University 2025 5 с. Journal article local Право. Юридические науки. 34 Chepurnov Vadim Aleksandrovich Tret'yakov Ivan L'vovich jomeam.ru