@inproceedings{beyondspectralclusteringtightrelaxations,
  title = {Beyond Spectral Clustering - Tight Relaxations of Balanced Graph Cuts},
  author = {Matthias Hein and Simon Setzer},
  year = {2011},
  booktitle = {NeurIPS 2011 12},
  url = {http://papers.nips.cc/paper/4261-beyond-spectral-clustering-tight-relaxations-of-balanced-graph-cuts},
}