@article{Ignat'ev2020descriptive,
author={Ignat'ev, S.A. and Folomkin, A.I. and Muratbakeev, E.H.},
title={Descriptive Geometry Problems Visualization by Wolfram Mathematica},
journal={Geometry & Graphics},
publisher={INFRA-M Academic Publishing LLC.},
year={2020},
pages={74-84},
volume={8},
issue={4},
}