Poonen92'

BibTeX

@article{DBLP:journals/jct/Poonen92,
  author    = {Bjorn Poonen},
  title     = {Union-Closed Families},
  journal   = {J. Comb. Theory, Ser. A},
  volume    = {59},
  number    = {2},
  year      = {1992},
  pages     = {253-268},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}