00550naa#a2200169#i#450# EN\NORMA\bibl\42811 20241023065405.3 1605-6590 20210324b2021####ek#y0engy0150####ca RU Conditional Transactions in the Statics and Dynamics of Civil Circulation Journal article Moscow Legal publishing house Norm 2021 0 с. Journal article local Право. Юридические науки. 34 Gruzdev Vladislav Viktorovich zh-szf.ru