Valentin E. Brimkov. Approximability issues of guarding a set of segments. Int. J. Comput. Math., 90(8):1653-1667, 2013. [doi]
@article{Brimkov13,
title = {Approximability issues of guarding a set of segments},
author = {Valentin E. Brimkov},
year = {2013},
doi = {10.1080/00207160.2013.775423},
url = {http://dx.doi.org/10.1080/00207160.2013.775423},
researchr = {https://researchr.org/publication/Brimkov13},
cites = {0},
citedby = {0},
journal = {Int. J. Comput. Math.},
volume = {90},
number = {8},
pages = {1653-1667},
}