@article{
  author = {Moradi, H.R., Erfanian Omidvar, M.},
  title = {A Note on Quadratic Maps for Hilbert Space Operators},
  journal = {Journal of New Researches in Mathematics},
  year = {2017},
  volume = {3},
  number = {2},
  pages = {31-36},
  doi = {}
}