Long Wan, Jinjiang Yuan. Single-machine scheduling to minimize the total earliness and tardiness is strongly NP-hard. Oper. Res. Lett., 41(4):363-365, 2013. [doi]
@article{WanY13,
title = {Single-machine scheduling to minimize the total earliness and tardiness is strongly NP-hard},
author = {Long Wan and Jinjiang Yuan},
year = {2013},
doi = {10.1016/j.orl.2013.04.007},
url = {http://dx.doi.org/10.1016/j.orl.2013.04.007},
researchr = {https://researchr.org/publication/WanY13},
cites = {0},
citedby = {0},
journal = {Oper. Res. Lett.},
volume = {41},
number = {4},
pages = {363-365},
}