Sándor P. Fekete, Joseph S. B. Mitchell, Christiane Schmidt. Minimum covering with travel cost. J. Comb. Optim., 24(1):32-51, 2012. [doi]
@article{FeketeMS12,
title = {Minimum covering with travel cost},
author = {Sándor P. Fekete and Joseph S. B. Mitchell and Christiane Schmidt},
year = {2012},
doi = {10.1007/s10878-010-9303-0},
url = {http://dx.doi.org/10.1007/s10878-010-9303-0},
researchr = {https://researchr.org/publication/FeketeMS12},
cites = {0},
citedby = {0},
journal = {J. Comb. Optim.},
volume = {24},
number = {1},
pages = {32-51},
}