@article{v002a007,
 author = {Chekuri, Chandra and Khanna, Sanjeev and Shepherd, F. Bruce},
 title = {An O(√n) Approximation and Integrality Gap for Disjoint Paths and Unsplittable Flow},
 year = {2006},
 pages = {137--146},
 doi = {10.4086/toc.2006.v002a007},
 publisher = {Theory of Computing},
 journal = {Theory of Computing},
 volume = {2},
 number = {7},
 URL = {https://theoryofcomputing.org/articles/v002a007},
}