@article{JMLR:v19:17-025,
  author  = {Sara van de Geer},
  title   = {On Tight Bounds for the Lasso},
  journal = {Journal of Machine Learning Research},
  year    = {2018},
  volume  = {19},
  number  = {46},
  pages   = {1--48},
  url     = {http://jmlr.org/papers/v19/17-025.html}
}