Velleman90'

BibTeX

@article{DBLP:journals/jsyml/Velleman90,
  author    = {Dan Velleman},
  title     = {Partitioning Pairs of Countable Sets of Ordinals},
  journal   = {J. Symb. Log.},
  volume    = {55},
  number    = {3},
  year      = {1990},
  pages     = {1019-1021},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}