Jaroslaw Byrka, Karen Aardal. An Optimal Bifactor Approximation Algorithm for the Metric Uncapacitated Facility Location Problem. SIAM Journal on Computing, 39(6):2212-2231, 2010. [doi]
@article{ByrkaA10,
title = {An Optimal Bifactor Approximation Algorithm for the Metric Uncapacitated Facility Location Problem},
author = {Jaroslaw Byrka and Karen Aardal},
year = {2010},
doi = {10.1137/070708901},
url = {http://dx.doi.org/10.1137/070708901},
researchr = {https://researchr.org/publication/ByrkaA10},
cites = {0},
citedby = {0},
journal = {SIAM Journal on Computing},
volume = {39},
number = {6},
pages = {2212-2231},
}