@article{Vyshnyepolskiy2016open,
author={Vyshnyepolskiy, V.I.},
title={Open All-Russian Olympiad on Descriptive Geometry, Engineering and Computer Graphics 2015},
journal={Geometry & Graphics},
publisher={INFRA-M Academic Publishing LLC.},
year={2016},
pages={73-89},
volume={4},
issue={1},
}