00525naa#a2200157#i#450# EN\\bibl\119698 20260406163239.1 2221-3260 20260228b2026####ek#y0engy0150####ca RU Theoretical economy: starting the second 15 years of communication with the journal’s readers Journal article Yaroslavl Yaroslavl State Technical University 2026 8 с. Journal article local Gordeev Valery Alexandrovich theoreticaleconomy.ru