@Article{	  Beuchler:2002,
  author	= {Beuchler, Sven},
  title		= {Multigrid solver for the inner problem in domain
		  decomposition methods for {$P$}-{FEM}},
  journal	= {SIAM J. Numer. Anal.},
  fjournal	= {SIAM Journal on Numerical Analysis},
  volume	= {40},
  year		= {2002},
  number	= {3},
  pages		= {928--944 (electronic)},
  issn		= {0036-1429},
  mrclass	= {65N55 (65F10 65N22 65N30)},
  mrnumber	= {1949399 (2004g:65172)},
  mrreviewer	= {Ivan Yotov},
  doi		= {10.1137/S0036142901393851},
  url		= {http://dx.doi.org/10.1137/S0036142901393851}
}