The hypersphere neuron
@InProceedings{banarer03esann,
  author = 	 {V. Banarer and C. Perwass and G. Sommer},
  title = 	 {The hypersphere neuron},
  booktitle = 	 {Proc. 11th European Symposium on Artificial Neural Networks, ESANN 2003, Bruges},
  publisher =    {d-side publications, Evere, Belgium},
  year =	 2003,
  pages =	 {469-474}
}