00508naa#a2200169#i#450# EN\NORMA\bibl\12192 20250302220944.7 1605-6590 20160705b2016####ek#y0engy0150####ca RUS RU Energy as Object of Contractual Relations: on the Issue about the Concept and Legal Nature Journal article Moscow Legal publishing house Norm 2016 0 с. Journal article local Shvedkova Olga naukaru.ru