@article{11131,
  author = {Kent-Andre Mardal and Ragnar Winther},
  title = {An Observation on Korn{\textquoteright}s Inequality for Nonconforming Finite Element Methods},
  year = {2006},
  journal = {Math. Comp.},
  volume = {75},
  number = {253},
  pages = {1-6},
}