@article{JMLR:v17:ariascastro16a,
  author  = {Ery Arias-Castro and David Mason and Bruno Pelletier},
  title   = {On the Estimation of the Gradient Lines of a Density and the Consistency of the Mean-Shift Algorithm},
  journal = {Journal of Machine Learning Research},
  year    = {2016},
  volume  = {17},
  number  = {43},
  pages   = {1--28},
  url     = {http://jmlr.org/papers/v17/ariascastro16a.html}
}