@article{
  author = {Ettefagh, M., Houdfar, S.},
  title = {Weak amenability of (2N)-th dual of a Banach algebra},
  journal = {Journal of Linear and Topological Algebra},
  year = {2012},
  volume = {1},
  number = {2},
  pages = {55-65},
  doi = {}
}