@article{Elfimov2022problems,
author={Elfimov, O.M. and Shchekaleva, K.S.},
title={Problems of regulation of the activities of registered entrepreneurs in the terms of application of the special tax regime “Tax on professional income”},
journal={The Economy under Guard},
publisher={Nizhny Novgorod Academy of the Ministry of the Interior of Russia},
year={2022},
pages={60-67},
volume={2022},
issue={4},
}