@article{
  author = {, },
  title = {The Equation and the Condition of  Reductio Ad Absurdum},
  journal = {Pazhūhish-i Źabān  va Adabiyyāt-i Farsī},
  year = {2019},
  volume = {16},
  number = {50},
  pages = {23-48},
  doi = {}
}