@article{v002a011,
author = {Charikar, Moses and Krauthgamer, Robert},
title = {Embedding the Ulam metric into ℓ1},
year = {2006},
pages = {207--224},
doi = {10.4086/toc.2006.v002a011},
publisher = {Theory of Computing},
journal = {Theory of Computing},
volume = {2},
number = {11},
URL = {https://theoryofcomputing.org/articles/v002a011},
}