@article{Matveev2020the,
author={Matveev, A.V.},
title={The Central Snitch Squad at the Saint-Petersburg Security Department as the Subject of Ensuring the Security of the Head of State in the Russian Empire},
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={2020},
pages={30-36},
volume={2020},
issue={1},
}