@article{JMLR:v7:mangasarian06a,
  author  = {Olvi L. Mangasarian},
  title   = {Exact 1-Norm Support Vector Machines Via Unconstrained Convex Differentiable Minimization},
  journal = {Journal of Machine Learning Research},
  year    = {2006},
  volume  = {7},
  number  = {56},
  pages   = {1517--1530},
  url     = {http://jmlr.org/papers/v7/mangasarian06a.html}
}