@article{fastexactkmeanskmediansandbregman,
  title = {Fast Exact k-Means, k-Medians and Bregman Divergence Clustering in 1D},
  author = {Allan Grønlund and Kasper Green Larsen and Alexander Mathiasen and Jesper Sindahl Nielsen and Stefan Schneider and Mingzhou Song},
  year = {2017},
  eprint = {1701.07204},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1701.07204v4},
}