@article{Vyshnepol'skiy2017loci,
author={Vyshnepol'skiy, V.I. and Zavarihina, E.V. and Dallakyan, O.L.},
title={Loci of Points Equally Spaced from Two Given Geometrical Figures. Part 2: Loci of Points Equally Spaced from a Point and a Conical Surface},
journal={Geometry & Graphics},
publisher={INFRA-M Academic Publishing LLC.},
year={2017},
pages={15-23},
volume={5},
issue={4},
}