@article{
  author = {Saei, Seyed Mohammad Hadi ,  Saqafi, Maryam},
  title = {Jurisprudential and Legal Study of Provisos after Cancellation},
  journal = {Jurisprudence and Private Law  },
  year = {2018},
  volume = {1},
  number = {1},
  pages = {37-52},
  doi = {}
}