@inproceedings{DBLP:conf/focs/AroraBSS93,
  author    = {Sanjeev Arora and
               L{\'a}szl{\'o} Babai and
               Jacques Stern and
               Z. Sweedyk},
  title     = {The Hardness of Approximate Optimia in Lattices, Codes,
               and Systems of Linear Equations},
  booktitle = {FOCS},
  year      = {1993},
  pages     = {724-733},
  ee        = {http://doi.ieeecomputersociety.org/10.1109/SFCS.1993.366815},
  crossref  = {DBLP:conf/focs/FOCS34},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/focs/FOCS34,
  title     = {34th Annual Symposium on Foundations of Computer Science,
               Palo Alto, California, USA, 3-5 November 1993},
  booktitle = {FOCS},
  publisher = {IEEE Computer Society},
  year      = {1993},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}