Chaitanya Swamy, Amit Kumar. Primal-Dual Algorithms for Connected Facility Location Problems. Algorithmica, 40(4):245-269, 2004. [doi]
@article{SwamyK04,
title = {Primal-Dual Algorithms for Connected Facility Location Problems},
author = {Chaitanya Swamy and Amit Kumar},
year = {2004},
doi = {10.1007/s00453-004-1112-3},
url = {http://dx.doi.org/10.1007/s00453-004-1112-3},
researchr = {https://researchr.org/publication/SwamyK04},
cites = {0},
citedby = {0},
journal = {Algorithmica},
volume = {40},
number = {4},
pages = {245-269},
}