00515naa#a2200169#i#450# EN\\bibl\90344 /en/manage/index 20251220191853.6 2221-3260 20240930b2024####ek#y0engy0150####ca RU Theoretical economics: developing the concept Journal article Yaroslavl Yaroslavl State Technical University 2024 7 с. Journal article local Gordeev Valery Alexandrovich fht.editorum.ru /en/manage/index