BennettW97'

@article{DBLP:journals/dm/BennettW97,
  author    = {Frank E. Bennett and
               Ruizhong Wei},
  title     = {The existence of Schr{\"o}der designs with equal-sized
               holes},
  journal   = {Discrete Mathematics},
  volume    = {170},
  number    = {1-3},
  year      = {1997},
  pages     = {15-28},
  ee        = {http://dx.doi.org/10.1016/0012-365X(95)00353-X},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}