@article{JMLR:v13:do12a,
  author  = {Trinh Minh Tri Do and Thierry Arti{{\`e}}res},
  title   = {Regularized Bundle Methods for Convex and Non-Convex Risks},
  journal = {Journal of Machine Learning Research},
  year    = {2012},
  volume  = {13},
  number  = {114},
  pages   = {3539--3583},
  url     = {http://jmlr.org/papers/v13/do12a.html}
}