@inproceedings{MikSchSmoMueRaeSch99,
  author    = {S.~Mika and B.~{Sch\"olkopf} and A.J.~Smola and
               K.--R.~{M\"uller} and M.~Scholz and G.~{R\"atsch}},
  title     = {Kernel {PCA} and De--Noising in Feature Spaces},
  booktitle = {Advances in Neural Information Processing Systems 11},
  year      = {1999},
  editor    = {M.S.~Kearns and S.A.~Solla and D.A.~Cohn},
  publisher = {{MIT} Press},
  pages     = {536--542}
}