@article{Kheyfets2014generalized,
author={Kheyfets, A.L. and Vasileva, V..},
title={Generalized Dandelin’s Theorem Implementation for Arbitrary Rotation Quadrics in AutoCAD},
journal={Geometry & Graphics},
publisher={INFRA-M Academic Publishing LLC.},
year={2014},
pages={9-14},
volume={2},
issue={2},
}