OtsukiH06'

BibTeX

@article{DBLP:journals/ieicet/OtsukiH06,
  author    = {Hideaki Otsuki and
               Tomio Hirata},
  title     = {Inapproximability of the Edge-Contraction Problem},
  journal   = {IEICE Transactions},
  volume    = {89-A},
  number    = {5},
  year      = {2006},
  pages     = {1425-1427},
  ee        = {http://dx.doi.org/10.1093/ietfec/e89-a.5.1425},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}