@article{Shlyahtin2018caution,
author={Shlyahtin, E.. and Slivniy, A..},
title={Caution as a possible form of operational-investigative prevention of illegal migration},
journal={Bulletin of the Kazan Law Institute of MIA Russia},
publisher={Kazan law institute Ministry of Internal Affairs Russian Federation},
year={2018},
pages={118-123},
volume={9},
issue={1},
}