@article{Sal'kov2025cyclic,
author={Sal'kov, N.A.},
title={Cyclic and Ruled Surfaces as ∞ 2 Points Equidistant From Two Given Geometric Shapes. Part 1},
journal={Geometry & Graphics},
publisher={INFRA-M Academic Publishing LLC.},
year={2025},
pages={21-33},
volume={13},
issue={3},
}