00478naa#a2200169#i#450# EN\NORMA\bibl\13499 20260122224700.4 1605-6590 20161031b2016####ek#y0engy0150####ca RUS RU Eurasian Economic Union: Borders Extension and Legal Reality Journal article Moscow Legal publishing house Norm 2016 0 с. Journal article local Kashirkina Anna zh-szf.ru