CrescenziP91'

BibTeX

@article{DBLP:journals/iandc/CrescenziP91,
  author    = {Pierluigi Crescenzi and
               Alessandro Panconesi},
  title     = {Completeness in Approximation Classes},
  journal   = {Inf. Comput.},
  volume    = {93},
  number    = {2},
  year      = {1991},
  pages     = {241-262},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}