Hjorth96'

BibTeX

@article{DBLP:journals/jsyml/Hjorth96,
  author    = {Greg Hjorth},
  title     = {Variations of the Martin-Solovay Tree},
  journal   = {J. Symb. Log.},
  volume    = {61},
  number    = {1},
  year      = {1996},
  pages     = {40-51},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}