00527naa#a2200181#i#450# EN\INFRA-M\bibl\6821 20241105204249.2 1998-0701 20150225b2015####ek#y0engy0150####ca RUS RU The main stages of development of intergovernmental relations in Russia Journal article Moscow INFRA-M Academic Publishing LLC. 2015 3 с. Journal article local Slobodchikov D. Petrenko V. zh-szf.ru