@article{
  author = {خدائی وله­زاقرد, محمد, کردلوئی, حمیدرضا, محمودزاده, المیرا},
  title = {},
  journal = {Financial Engineering and Portfolio Management},
  year = {2011},
  volume = {2},
  number = {9},
  pages = {135-152},
  doi = {}
}