@techreport{1857,
  title = {Use of the $ell_0$-norm with linear models and kernel methods},
  organization = {Max-Planck-Gesellschaft},
  institution = {Biowulf Technologies},
  school = {Biologische Kybernetik},
  year = {2001},
  slug = {1857},
  author = {Weston, J. and Elisseeff, A. and Sch{\"o}lkopf, B.}
}