Thomas A. Roemer, Reza Ahmadi, Sriram Dasu. The Traveling Salesman Problem with flexible coloring. Discrete Applied Mathematics, 160(12):1798-1814, 2012. [doi]
@article{RoemerAD12,
title = {The Traveling Salesman Problem with flexible coloring},
author = {Thomas A. Roemer and Reza Ahmadi and Sriram Dasu},
year = {2012},
doi = {10.1016/j.dam.2012.03.004},
url = {http://dx.doi.org/10.1016/j.dam.2012.03.004},
researchr = {https://researchr.org/publication/RoemerAD12},
cites = {0},
citedby = {0},
journal = {Discrete Applied Mathematics},
volume = {160},
number = {12},
pages = {1798-1814},
}