KarpinskiS11'

@inproceedings{DBLP:conf/approx/KarpinskiS11,
  author    = {Marek Karpinski and
               Warren Schudy},
  title     = {Approximation Schemes for the Betweenness Problem in Tournaments
               and Related Ranking Problems},
  booktitle = {APPROX-RANDOM},
  year      = {2011},
  pages     = {277-288},
  ee        = {http://dx.doi.org/10.1007/978-3-642-22935-0_24},
  crossref  = {DBLP:conf/approx/2011},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/approx/2011,
  editor    = {Leslie Ann Goldberg and
               Klaus Jansen and
               R. Ravi and
               Jos{\'e} D. P. Rolim},
  title     = {Approximation, Randomization, and Combinatorial Optimization.
               Algorithms and Techniques - 14th International Workshop,
               APPROX 2011, and 15th International Workshop, RANDOM 2011,
               Princeton, NJ, USA, August 17-19, 2011. Proceedings},
  booktitle = {APPROX-RANDOM},
  publisher = {Springer},
  series    = {Lecture Notes in Computer Science},
  volume    = {6845},
  year      = {2011},
  isbn      = {978-3-642-22934-3},
  ee        = {http://dx.doi.org/10.1007/978-3-642-22935-0},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}