@article{Senchenkova2015geometric,
author={Senchenkova, L.. and Ivanov, G.. and Seregin, V.. and Borovikov, I.F.},
title={Geometric Transformations in Descriptive Geometry And Engineering Graphics},
journal={Geometry & Graphics},
publisher={INFRA-M Academic Publishing LLC.},
year={2015},
pages={23-28},
volume={3},
issue={2},
}