Gruia Calinescu, Howard J. Karloff, Yuval Rabani. Approximation Algorithms for the 0-Extension Problem. SIAM Journal on Computing, 34(2):358-372, 2004. [doi]
@article{CalinescuKR04,
title = {Approximation Algorithms for the 0-Extension Problem},
author = {Gruia Calinescu and Howard J. Karloff and Yuval Rabani},
year = {2004},
url = {http://epubs.siam.org/sam-bin/dbq/article/39597},
researchr = {https://researchr.org/publication/CalinescuKR04},
cites = {0},
citedby = {0},
journal = {SIAM Journal on Computing},
volume = {34},
number = {2},
pages = {358-372},
}