@article{DBLP:journals/eccc/ECCC-TR01-094,
author = {Jonas Holmerin},
title = {Vertex Cover on 4-regular Hyper-graphs is Hard to Approximate
Within 2-epsilon},
journal = {Electronic Colloquium on Computational Complexity (ECCC)},
number = {094},
year = {2001},
ee = {http://eccc.hpi-web.de/eccc-reports/2001/TR01-094/index.html},
bibsource = {DBLP, http://dblp.uni-trier.de}
}