Brandt86'

BibTeX

@article{DBLP:journals/iandc/Brandt86,
  author    = {Ulrike Brandt},
  title     = {The Position of Index Sets of Identifiable Sets in the Arithmetical
               Hierarchy},
  journal   = {Information and Control},
  volume    = {68},
  number    = {1-3},
  year      = {1986},
  pages     = {185-195},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}