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@ARTICLE{Lehrenfeld:668082,
      author       = {Lehrenfeld, Christoph and Reusken, Arnold},
      title        = {{O}ptimal preconditioners for {N}itsche-{XFEM}
                      discretizations of interface problems},
      journal      = {Numerische Mathematik},
      volume       = {135},
      number       = {2},
      issn         = {0945-3245},
      address      = {Berlin},
      publisher    = {Springer},
      reportid     = {RWTH-2016-06563},
      pages        = {313-332},
      year         = {2017},
      note         = {First Online: 26 March 2016},
      cin          = {111710 / 110000},
      ddc          = {510},
      cid          = {$I:(DE-82)111710_20140620$ / $I:(DE-82)110000_20140620$},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000393052400001},
      doi          = {10.1007/s00211-016-0801-6},
      url          = {https://publications.rwth-aachen.de/record/668082},
}