Zeev Nutov. Approximating minimum-cost connectivity problems via uncrossable bifamilies. ACM Transactions on Algorithms, 9(1):1, 2012. [doi]
@article{Nutov12-1,
title = {Approximating minimum-cost connectivity problems via uncrossable bifamilies},
author = {Zeev Nutov},
year = {2012},
doi = {10.1145/2390176.2390177},
url = {http://doi.acm.org/10.1145/2390176.2390177},
researchr = {https://researchr.org/publication/Nutov12-1},
cites = {0},
citedby = {0},
journal = {ACM Transactions on Algorithms},
volume = {9},
number = {1},
pages = {1},
}