Robert D. Carr, Santosh Vempala. On the Held-Karp relaxation for the asymmetric and symmetric traveling salesman problems. Math. Program., 100(3):569-587, 2004. [doi]
@article{CarrV04,
title = {On the Held-Karp relaxation for the asymmetric and symmetric traveling salesman problems},
author = {Robert D. Carr and Santosh Vempala},
year = {2004},
doi = {10.1007/s10107-004-0506-y},
url = {http://dx.doi.org/10.1007/s10107-004-0506-y},
researchr = {https://researchr.org/publication/CarrV04},
cites = {0},
citedby = {0},
journal = {Math. Program.},
volume = {100},
number = {3},
pages = {569-587},
}