Pankaj K. Agarwal, Boris Aronov, Vladlen Koltun, Micha Sharir. Lines Avoiding Unit Balls in Three Dimensions. Discrete & Computational Geometry, 34(2):231-250, 2005. [doi]
@article{AgarwalAKS05,
title = {Lines Avoiding Unit Balls in Three Dimensions},
author = {Pankaj K. Agarwal and Boris Aronov and Vladlen Koltun and Micha Sharir},
year = {2005},
doi = {10.1007/s00454-005-1166-2},
url = {http://dx.doi.org/10.1007/s00454-005-1166-2},
researchr = {https://researchr.org/publication/AgarwalAKS05},
cites = {0},
citedby = {0},
journal = {Discrete & Computational Geometry},
volume = {34},
number = {2},
pages = {231-250},
}