00543naa#a2200169#i#450# EN\\bibl\55545 20241204032448.3 2500-3372 20221208b2022####ek#y0engy0150####ca RU Investment Activity of Russian Non-State Pension Funds: Trends, Opportunities, and Prospects Journal article Kemerovo Kemerovo State University 2022 12 с. Journal article local Sidorov Ivan Yur'evich Kalacheva Elena Alekseevna cheese.kemsu.ru