00526naa#a2200169#i#450# EN\NORMA\bibl\14745 20260524102435.7 1605-6590 20161222b2016####ek#y0engy0150####ca RUS RU Prohibition of Concerted Actions of Economic Entities as the Basis of the Limitation on Freedom of Contract Journal article Moscow Legal publishing house Norm 2016 0 с. Journal article local Soyfyer Tatyana naukaru.ru