@inproceedings{DBLP:conf/ppdp/SauthoffJG11,
  author    = {Georg Sauthoff and
               Stefan Janssen and
               Robert Giegerich},
  title     = {Bellman's GAP: a declarative language for dynamic programming},
  booktitle = {PPDP},
  year      = {2011},
  pages     = {29-40},
  ee        = {http://doi.acm.org/10.1145/2003476.2003484},
  crossref  = {DBLP:conf/ppdp/2011},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/ppdp/2011,
  editor    = {Peter Schneider-Kamp and
               Michael Hanus},
  title     = {Proceedings of the 13th International ACM SIGPLAN Conference
               on Principles and Practice of Declarative Programming, July
               20-22, 2011, Odense, Denmark},
  booktitle = {PPDP},
  publisher = {ACM},
  year      = {2011},
  isbn      = {978-1-4503-0776-5},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}