@InCollection{	  MR3243028,
  author	= {Beuchler, Sven and Pillwein, Veronika and Zaglmayr,
		  Sabine},
  title		= {Fast summation techniques for sparse shape functions in
		  tetrahedral {$hp$}-{FEM}},
  booktitle	= {Domain decomposition methods in science and engineering
		  {XX}},
  series	= {Lect. Notes Comput. Sci. Eng.},
  volume	= {91},
  pages		= {511--518},
  publisher	= {Springer, Heidelberg},
  year		= {2013},
  mrclass	= {65N30},
  mrnumber	= {3243028},
  doi		= {10.1007/978-3-642-35275-1_60},
  url		= {http://dx.doi.org/10.1007/978-3-642-35275-1_60}
}