00651naa#a2200181#i#450# EN\\bibl\124881 20260610213546.3 2221-3260 20260331b2026####ek#y0engy0150####ca RU An institutional approach to ensuring the sustainability of innovative corporate structures in the regional electric power industry Journal article Yaroslavl Yaroslavl State Technical University 2026 12 с. Journal article local Korechkov Yuriy Viktorovich Kvasha Vladimir Aleksandrovich Sirotkin Syergyey Aleksandrovich chemintech.ru