00549naa#a2200157#i#450# EN\\bibl\55993 20240503042906.5 2588-0071 20221228b2022####ek#y0engy0150####ca RU Mathematical model of analysis and forecasting of economic processes related to shadow cash flows Journal article Nizhny Novgorod Nizhny Novgorod Academy of the Ministry of the Interior of Russia 2022 9 с. Journal article local Baturina Evgeniya V. namvd.editorum.ru