@article{Yarkina2025promising,
author={Yarkina, N.N.},
title={Promising directions for formalising shadow activity in the context of the digitalisation of economic relations},
journal={Economic policy and national security},
publisher={SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION},
year={2025},
pages={109-122},
volume={0},
issue={2},
}