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@inproceedings{EH02,
author = {Thomas Erlebach and Alexander Hall},
title = {NP-Hardness of Broadcast Scheduling and Inapproximability of Single-Source Unsplittable Min-Cost Flow},
address = {San Francisco, CA},
booktitle = {Proceedings of the Thirteenth Annual ACM-SIAM Symposium on Discrete Algorithms (SODA 2002)},
pages = {194--202},
month = {Jan},
year = {2002}
}
