@article{JMLR:v17:15-553,
  author  = {Chong Wu and Sunghoon Kwon and Xiaotong Shen and Wei Pan},
  title   = {A New Algorithm and Theory for Penalized Regression-based Clustering},
  journal = {Journal of Machine Learning Research},
  year    = {2016},
  volume  = {17},
  number  = {188},
  pages   = {1--25},
  url     = {http://jmlr.org/papers/v17/15-553.html}
}