00572naa#a2200169#i#450# EN\NORMA\bibl\44982 20251219120055.5 1605-6590 20210709b2021####ek#y0engy0150####ca RU Dynamics of Changes in the Structure of Intersystem Legal Entities in the 20th — Early 21st Century Journal article Moscow Legal publishing house Norm 2021 0 с. Journal article local Право. Юридические науки. 34 Nefedov Boris Ivanovich zh-szf.ru