@article{Kurtyak2019study,
author={Kurtyak, A.I.},
title={Study of the legal category "official" as a factor in improving the quality of law in the field of operational investigation.},
journal={Vestnik of the St. Petersburg University of the Ministry of Internal Affairs of Russia},
publisher={SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION},
year={2019},
pages={152-157},
volume={2019},
issue={3},
}