@Article{	  Schweitzer:2013,
  annote	= {refereed article,ag-schweitzer},
  author	= {Schweitzer, M.~A.},
  doi		= {10.1137/120895561},
  journal	= {SIAM Journal on Scientific Computing},
  number	= {2},
  pages		= {A1073--A1097},
  title		= {Variational Mass Lumping in the Partition of Unity
		  Method},
  url		= {http://epubs.siam.org/doi/abs/10.1137/120895561},
  volume	= {35},
  year		= {2013},
  bdsk-url-1	= {http://epubs.siam.org/doi/abs/10.1137/120895561},
  bdsk-url-2	= {http://dx.doi.org/10.1137/120895561}
}