Paper  bibtex   

@article{DBLP:journals/corr/MakarychevMSW15,
  author    = {Konstantin Makarychev and
               Yury Makarychev and
               Maxim Sviridenko and
               Justin Ward},
  title     = {A bi-criteria approximation algorithm for k Means},
  journal   = {CoRR},
  volume    = {abs/1507.04227},
  year      = {2015},
  url       = {http://arxiv.org/abs/1507.04227},
  archivePrefix = {arXiv},
  eprint    = {1507.04227},
  timestamp = {Mon, 13 Aug 2018 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/bib/journals/corr/MakarychevMSW15},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}