@article{Tikhomirov  2016methods,
author={Tikhomirov  , V.. and Strizhenok  , A..},
title={METHODS OF MATERIAL CHOICE FOR COG-WHEELS},
journal={Bulletin of Bryansk state technical university},
publisher={Bryansk State Technical University},
year={2016},
pages={99-103},
volume={2016},
issue={2},
}