Non conforming vector finite elements for H(curl) intersected with   H(div)
  We present a family of nonconforming vector finite elements of arbitrary order for problems posed on the space (curl) intersected with H(div) on a bidimensional domain. This result was first stated as a conjecture by Brenner and Sung. In contrast an extension of the same conjecture to three dimensional domains is disproved. 
Jean-Marie Mirebeau
math.NA math.AP