@article{Rottmann:2012QB,
  author = "Rottmann, Matthias  and  Frommer, Andreas  and  Kahl, Karsten  and  Krieg, Stefan  and  Leder, Björn",
  title = "{Aggregation-based Multilevel Methods for Lattice QCD}",
  doi = "10.22323/1.139.0046",
  journal = "PoS",
  year = 2012,
  volume = "Lattice 2011",
  pages = "046"
}