Tammy Drezner, Zvi Drezner. The gravity multiple server location problem. Computers & OR, 38(3):694-701, 2011. [doi]
@article{DreznerD11,
title = {The gravity multiple server location problem},
author = {Tammy Drezner and Zvi Drezner},
year = {2011},
doi = {10.1016/j.cor.2010.08.006},
url = {http://dx.doi.org/10.1016/j.cor.2010.08.006},
researchr = {https://researchr.org/publication/DreznerD11},
cites = {0},
citedby = {0},
journal = {Computers & OR},
volume = {38},
number = {3},
pages = {694-701},
}