@inproceedings{BeyerFinck2012,
  author    = {Hans-Georg Beyer and Steffen Finck},
  title     = {HappyCat – A simple function class where well-known direct search algorithms do fail},
  series = {Parallel Problem Solving from Nature - PPSN XII. 12th International Conference. Taormina, Italy, September 2012. Proceedings, Part I},
  editor    = {Carlos A. Coello Coello and Vincenzo Cutello and Kalyanmoy Deb and Stephanie Forrest and Giuseppe Nicosia and Mario Pavone},
  publisher = {Springer},
  address   = {Berlin u.a.},
  isbn      = {978-3-642-32936-4},
  doi       = {10.1007/978-3-642-32937-1\_37},
  pages     = {367 -- 376},
  year      = {2012},
  language  = {en}
}