00535naa#a2200169#i#450# EN\NORMA\bibl\56418 20260811132521.2 1605-6590 20230104b2023####ek#y0engy0150####ca RU Digital Certificate: Concept and Place in the Securities System Journal article Moscow Legal publishing house Norm 2023 0 с. Journal article local Право. Юридические науки. 34 Lapteva Anna Mihaylovna naukaru.ru