BlumS90'

@inproceedings{DBLP:conf/colt/BlumS90,
  author    = {Avrim Blum and
               Mona Singh},
  title     = {Learning Functions of {\it k} Terms},
  booktitle = {COLT},
  year      = {1990},
  pages     = {144-153},
  ee        = {http://dl.acm.org/citation.cfm?id=92620},
  crossref  = {DBLP:conf/colt/1990},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/colt/1990,
  editor    = {Mark A. Fulk and
               John Case},
  title     = {Proceedings of the Third Annual Workshop on Computational
               Learning Theory, COLT 1990, University of Rochester, Rochester,
               NY, USA, August 6-8, 1990},
  booktitle = {COLT},
  publisher = {Morgan Kaufmann},
  year      = {1990},
  isbn      = {1-55860-146-5},
  ee        = {http://dl.acm.org/citation.cfm?id=92571},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}