Camilo Ortiz-Astorquiza, Ivan Contreras, Gilbert Laporte. Formulations and Approximation Algorithms for Multilevel Uncapacitated Facility Location. INFORMS Journal on Computing, 29(4):767-779, 2017. [doi]
@article{Ortiz-Astorquiza17,
title = {Formulations and Approximation Algorithms for Multilevel Uncapacitated Facility Location},
author = {Camilo Ortiz-Astorquiza and Ivan Contreras and Gilbert Laporte},
year = {2017},
doi = {10.1287/ijoc.2017.0757},
url = {https://doi.org/10.1287/ijoc.2017.0757},
researchr = {https://researchr.org/publication/Ortiz-Astorquiza17},
cites = {0},
citedby = {0},
journal = {INFORMS Journal on Computing},
volume = {29},
number = {4},
pages = {767-779},
}