00558naa#a2200157#i#450# EN\\bibl\82058 20241110075754.7 2221-3260 20230630b2023####ek#y0engy0150####ca RU Insufficient investment in the real sector of the economy as one of the key problems of the economic security of the Russian Federation Journal article Yaroslavl Yaroslavl State Technical University 2023 13 с. Journal article local Tebekin Alexey Vasilyevich ystu.editorum.ru