Mohammad Taghi Hajiaghayi, Rohit Khandekar, Guy Kortsarz, Zeev Nutov. Prize-collecting steiner network problems. ACM Transactions on Algorithms, 9(1):2, 2012. [doi]
@article{HajiaghayiKKN12,
title = {Prize-collecting steiner network problems},
author = {Mohammad Taghi Hajiaghayi and Rohit Khandekar and Guy Kortsarz and Zeev Nutov},
year = {2012},
doi = {10.1145/2390176.2390178},
url = {http://doi.acm.org/10.1145/2390176.2390178},
researchr = {https://researchr.org/publication/HajiaghayiKKN12},
cites = {0},
citedby = {0},
journal = {ACM Transactions on Algorithms},
volume = {9},
number = {1},
pages = {2},
}