@article{Davydov  2020composite,
author={Davydov  , S.. and Gorlenko, A.O.},
title={Composite gradient structures in functional tungsten coatings  of carbon steels},
journal={Science intensive technologies in mechanical engineering},
publisher={Bryansk State Technical University},
year={2020},
pages={28-31},
volume={2020},
issue={2},
}