@inproceedings{gendron:hal-01662094, TITLE = {{Models, Relaxations and Heuristics for two-level uncapacitated facility location with single-assignment}}, AUTHOR = {Gendron, Bernard and Khuong, Paul-Virak and Semet, Fr{\'e}d{\'e}ric}, URL = {https://inria.hal.science/hal-01662094}, BOOKTITLE = {{NOW 2017 - Network Optimization Workshop}}, ADDRESS = {Viterbo, Italy}, YEAR = {2017}, MONTH = Jun, HAL_ID = {hal-01662094}, HAL_VERSION = {v1}, }