Piotr Berman, Marek Karpinski. Improved Approximations for General Minimum Cost Scheduling. Electronic Colloquium on Computational Complexity (ECCC), (097), 2001. [doi]
@article{ECCC-TR01-097, title = {Improved Approximations for General Minimum Cost Scheduling}, author = {Piotr Berman and Marek Karpinski}, year = {2001}, url = {http://eccc.hpi-web.de/eccc-reports/2001/TR01-097/index.html}, researchr = {https://researchr.org/publication/ECCC-TR01-097}, cites = {0}, citedby = {0}, journal = {Electronic Colloquium on Computational Complexity (ECCC)}, number = {097}, }