Martin Skutella, David P. Williamson. A note on the generalized min-sum set cover problem. Oper. Res. Lett., 39(6):433-436, 2011. [doi]
@article{SkutellaW11,
title = {A note on the generalized min-sum set cover problem},
author = {Martin Skutella and David P. Williamson},
year = {2011},
doi = {10.1016/j.orl.2011.08.002},
url = {http://dx.doi.org/10.1016/j.orl.2011.08.002},
researchr = {https://researchr.org/publication/SkutellaW11},
cites = {0},
citedby = {0},
journal = {Oper. Res. Lett.},
volume = {39},
number = {6},
pages = {433-436},
}