Ambos-SpiesS89'

BibTeX

@article{DBLP:journals/apal/Ambos-SpiesS89,
  author    = {Klaus Ambos-Spies and
               Robert I. Soare},
  title     = {The Recursively Enumerable Degrees have Infinitely Many
               One-Types},
  journal   = {Ann. Pure Appl. Logic},
  volume    = {44},
  number    = {1-2},
  year      = {1989},
  pages     = {1-23},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}