@unpublished{	  Kornhuber.Peterseim.Yserentant:2016,
  author	= {Kornhuber, R. and Peterseim, D. and Yserentant, H. },
  title		= {An Analysis of a Class of Variational Multiscale Methods
		  based on Subspace Decomposition},
  year		= {2016},
  month		= {November},
  annote	= {submitted,ag-peterseim},
  note		= {Submitted for publication}
}