Michael Elkin, Guy Kortsarz. Polylogarithmic Additive Inapproximability of the Radio Broadcast Problem. SIAM J. Discrete Math., 19(4):881-899, 2005. [doi]
@article{ElkinK05,
title = {Polylogarithmic Additive Inapproximability of the Radio Broadcast Problem},
author = {Michael Elkin and Guy Kortsarz},
year = {2005},
url = {http://epubs.siam.org/SIDMA/volume-19/art_44531.html},
researchr = {https://researchr.org/publication/ElkinK05},
cites = {0},
citedby = {0},
journal = {SIAM J. Discrete Math.},
volume = {19},
number = {4},
pages = {881-899},
}