@UNPUBLISHED{BursteddeFonsecaMetsch19,
  author = {Burstedde, Carsten and Fonseca, Jose A. and Metsch, Bram},
  title = {An {AMG} saddle point preconditioner with application to mixed
	  {P}oisson problems on adaptive quad/cube meshes},
  keywords = {Mathematics - Numerical Analysis, 65N30, 65F08, 65N55},
  year = {2019},
  month = {Jan},
  eid = {arXiv:1901.05830},
  archivePrefix = {arXiv},
  note = {http://arxiv.org/abs/1901.05830},
  primaryClass = {math.NA}
}