@article{Guarracino2009JOTA,
  author =      "Guarracino, M. R. and Cuciniello, S. and Pardalos, P. M.",
  title =       "Classification and characterization of gene expression data with generalized eigenvalues",
  journal =     "Journal of Optimization Theory and Applications",
  publisher =   "Springer",
  volume =      "141",
  number =      "3",
  pages =       "533--545",
  year =        "2009"
}