00490naa#a2200169#i#450# EN\NORMA\bibl\10350 20240807094638.3 1605-6590 20160125b2016####ek#y0engy0150####ca RUS RU Concept and System of Contracts on Supply through the Attached Network Journal article Moscow Legal publishing house Norm 2016 0 с. Journal article local Shafir Aleksandr naukaru.ru