00565naa#a2200169#i#450# EN\NORMA\bibl\42752 20240830092818.5 1605-6590 20210322b2021####ek#y0engy0150####ca RU Legally Significant Communication and Deal: An Analysis of Conceptual Approaches to Relation Journal article Moscow Legal publishing house Norm 2021 0 с. Journal article local Право. Юридические науки. 34 Povarov Yuriy Sergeevich naukaru.ru