@article {SC.4.Nilssen.2001,
	title = {A Robust Nonconforming H2-Element},
	journal = {Mathematics of Computation},
	volume = {70},
	year = {2001},
	pages = {489-505},
	author = {Nilssen, Trygve Kastberg and Tai, Xue-Cheng and Winther, Ragnar}
}
