00456naa#a2200157#i#450# EN\\bibl\81762 20241126200450.2 2221-3260 20240331b2024####ek#y0engy0150####ca RU Are monopolies useful for society Journal article Yaroslavl Yaroslavl State Technical University 2024 11 с. Journal article local Turishcheva Tatyana Borisovna chemintech.ru