@article{arai2012cotangent,
  author = {Arai, M. and Blaschke, F.},
  title = {Cotangent bundle over Hermitian symmetric space $E_7/E_6 times U(1)$ from projective superspace},
  journal = {arXiv.org},
  volume = {hep-th/11},
  number = {11},
  year = {2012}
}