@article{Vyshnyepolskiy2021all-russian, author={Vyshnyepolskiy, V.I. and Vereschagina, T.A. and Efremov, A.V. and Kadykova, N.S. and Rustamyan, V.V.}, title={All-Russian Scientific and Methodological Conference «Problems of Engineering Geometry» 2020}, journal={Journal of Natural Sciences Research}, publisher={INFRA-M Academic Publishing LLC.}, year={2021}, pages={2-14}, volume={6}, issue={2}, }