CharikarCCDGGL98'

@inproceedings{DBLP:conf/soda/CharikarCCDGGL98,
  author    = {Moses Charikar and
               Chandra Chekuri and
               To-Yat Cheung and
               Zuo Dai and
               Ashish Goel and
               Sudipto Guha and
               Ming Li},
  title     = {Approximation Algorithms for Directed Steiner Problems},
  booktitle = {SODA},
  year      = {1998},
  pages     = {192-200},
  ee        = {http://dl.acm.org/citation.cfm?id=314613.314700},
  crossref  = {DBLP:conf/soda/1998},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/soda/1998,
  editor    = {Howard J. Karloff},
  title     = {Proceedings of the Ninth Annual ACM-SIAM Symposium on Discrete
               Algorithms, 25-27 January 1998, San Francisco, California},
  booktitle = {SODA},
  publisher = {ACM/SIAM},
  year      = {1998},
  isbn      = {0-89871-410-9},
  ee        = {http://dl.acm.org/citation.cfm?id=314613},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}