00466naa#a2200157#i#450# EN\\bibl\88284 20250105135036.7 2221-3260 20240731b2024####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 chemintech.ru