00523naa#a2200157#i#450# EN\\bibl\111854 20260112033228.1 2221-3260 20251231b2025####ek#y0engy0150####ca RU Theoretical economics: ending a 15-year journey of communication with the journal’s readers Journal article Yaroslavl Yaroslavl State Technical University 2025 8 с. Journal article local Gordeev Valery Alexandrovich theoreticaleconomy.ru