@article{
  author = {Khalilzadeh Ranjbar, Ghorban, Samei, Mohammad Esmael},
  title = {Indicator of $S$-Hausdorff metric spaces and coupled strong fixed point theorems for pairwise contraction maps},
  journal = {Journal of New Researches in Mathematics},
  year = {2020},
  volume = {6},
  number = {1},
  pages = {73-86},
  doi = {}
}