@Article{	  MR3044570,
  author	= {Beuchler, Sven and Pillwein, Veronika and Zaglmayr,
		  Sabine},
  title		= {Sparsity optimized high order finite element functions for
		  {$H(\textrm{curl})$} on tetrahedra},
  journal	= {Adv. in Appl. Math.},
  fjournal	= {Advances in Applied Mathematics},
  volume	= {50},
  year		= {2013},
  number	= {5},
  pages		= {749--769},
  issn		= {0196-8858},
  mrclass	= {65N30 (68W30)},
  mrnumber	= {3044570},
  doi		= {10.1016/j.aam.2012.11.004},
  url		= {http://dx.doi.org/10.1016/j.aam.2012.11.004}
}