@inproceedings{DBLP:conf/focs/Toda90,
  author    = {Seinosuke Toda},
  title     = {The Complexity of Finding Medians},
  booktitle = {FOCS},
  year      = {1990},
  pages     = {778-787},
  ee        = {http://doi.ieeecomputersociety.org/10.1109/FSCS.1990.89600},
  crossref  = {DBLP:conf/focs/FOCS31b},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/focs/FOCS31b,
  title     = {31st Annual Symposium on Foundations of Computer Science,
               St. Louis, Missouri, USA, October 22-24, 1990, Volume II},
  booktitle = {FOCS},
  publisher = {IEEE Computer Society},
  year      = {1990},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}