Ryser82a'

BibTeX

@article{DBLP:journals/jct/Ryser82a,
  author    = {H. J. Ryser},
  title     = {Set Intersection Matrices},
  journal   = {J. Comb. Theory, Ser. A},
  volume    = {32},
  number    = {2},
  year      = {1982},
  pages     = {162-177},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}